2968381 has 4 divisors (see below), whose sum is σ = 3196732. Its totient is φ = 2740032.

The previous prime is 2968373. The next prime is 2968391. The reversal of 2968381 is 1838692.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 912025 + 2056356 = 955^2 + 1434^2 .

It is a cyclic number.

It is not a de Polignac number, because 2968381 - 2³ = 2968373 is a prime.

It is a super-2 number, since 2×2968381² = 17622571522322, which contains 22 as substring.

It is a Duffinian number.

2968381 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2968381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2968391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114156 + ... + 114181.

It is an arithmetic number, because the mean of its divisors is an integer number (799183).

2^2968381 is an apocalyptic number.

It is an amenable number.

2968381 is a deficient number, since it is larger than the sum of its proper divisors (228351).

2968381 is a wasteful number, since it uses less digits than its factorization.

2968381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228350.

The product of its digits is 20736, while the sum is 37.

The square root of 2968381 is about 1722.8990103892. The cubic root of 2968381 is about 143.7164720798.

The spelling of 2968381 in words is "two million, nine hundred sixty-eight thousand, three hundred eighty-one".