2943396 has 18 divisors (see below), whose sum is σ = 7440342. Its totient is φ = 981120.

The previous prime is 2943389. The next prime is 2943403. The reversal of 2943396 is 6933492.

It is a happy number.

2943396 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2943389) and next prime (2943403).

It can be written as a sum of positive squares in only one way, i.e., 2433600 + 509796 = 1560^2 + 714^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 81761 = 2943396 / (2 + 9 + 4 + 3 + 3 + 9 + 6).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 2943396.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 40845 + ... + 40916.

2^2943396 is an apocalyptic number.

It is an amenable number.

2943396 is an abundant number, since it is smaller than the sum of its proper divisors (4496946).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2943396 is a wasteful number, since it uses less digits than its factorization.

2943396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81771 (or 81766 counting only the distinct ones).

The product of its digits is 34992, while the sum is 36.

The square root of 2943396 is about 1715.6328278510. The cubic root of 2943396 is about 143.3121127168.

The spelling of 2943396 in words is "two million, nine hundred forty-three thousand, three hundred ninety-six".