2894436 has 72 divisors (see below), whose sum is σ = 7842744. Its totient is φ = 898560.

The previous prime is 2894431. The next prime is 2894443. The reversal of 2894436 is 6344982.

It is a happy number.

2894436 is nontrivially palindromic in base 5.

It can be written as a sum of positive squares in 4 ways, for example, as 553536 + 2340900 = 744^2 + 1530^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 2894436.

It is not an unprimeable number, because it can be changed into a prime (2894431) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54586 + ... + 54638.

It is an arithmetic number, because the mean of its divisors is an integer number (108927).

2^2894436 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2894436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3921372).

2894436 is an abundant number, since it is smaller than the sum of its proper divisors (4948308).

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

2894436 is a wasteful number, since it uses less digits than its factorization.

2894436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141 (or 136 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 2894436 is about 1701.3042056023. The cubic root of 2894436 is about 142.5130551289.

The spelling of 2894436 in words is "two million, eight hundred ninety-four thousand, four hundred thirty-six".