2915381 has 8 divisors (see below), whose sum is σ = 3528000. Its totient is φ = 2351808.

The previous prime is 2915369. The next prime is 2915413. The reversal of 2915381 is 1835192.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2915381 - 2⁶ = 2915317 is a prime.

It is a super-2 number, since 2×2915381² = 16998892750322, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2915321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12131 + ... + 12368.

It is an arithmetic number, because the mean of its divisors is an integer number (441000).

2^2915381 is an apocalyptic number.

It is an amenable number.

2915381 is a deficient number, since it is larger than the sum of its proper divisors (612619).

2915381 is a wasteful number, since it uses less digits than its factorization.

2915381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24523.

The product of its digits is 2160, while the sum is 29.

The square root of 2915381 is about 1707.4486815129. The cubic root of 2915381 is about 142.8559848954.

The spelling of 2915381 in words is "two million, nine hundred fifteen thousand, three hundred eighty-one".