2915997 has 16 divisors (see below), whose sum is σ = 4472832. Its totient is φ = 1655280.

The previous prime is 2915989. The next prime is 2915999. The reversal of 2915997 is 7995192.

It is not a de Polignac number, because 2915997 - 2³ = 2915989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2915999) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3648 + ... + 4374.

It is an arithmetic number, because the mean of its divisors is an integer number (279552).

2^2915997 is an apocalyptic number.

It is an amenable number.

2915997 is a deficient number, since it is larger than the sum of its proper divisors (1556835).

2915997 is a wasteful number, since it uses less digits than its factorization.

2915997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 928.

The product of its digits is 51030, while the sum is 42.

The square root of 2915997 is about 1707.6290580802. The cubic root of 2915997 is about 142.8660456833.

The spelling of 2915997 in words is "two million, nine hundred fifteen thousand, nine hundred ninety-seven".