2390997 has 16 divisors (see below), whose sum is σ = 3733632. Its totient is φ = 1332480.

The previous prime is 2390987. The next prime is 2391001. The reversal of 2390997 is 7990932.

It is not a de Polignac number, because 2390997 - 2¹⁰ = 2389973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2390917) 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 15 ways as a sum of consecutive naturals, for example, 528 + ... + 2249.

It is an arithmetic number, because the mean of its divisors is an integer number (233352).

2^2390997 is an apocalyptic number.

It is an amenable number.

2390997 is a deficient number, since it is larger than the sum of its proper divisors (1342635).

2390997 is a wasteful number, since it uses less digits than its factorization.

2390997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2828.

The product of its (nonzero) digits is 30618, while the sum is 39.

The square root of 2390997 is about 1546.2849025972. The cubic root of 2390997 is about 133.7189662182.

The spelling of 2390997 in words is "two million, three hundred ninety thousand, nine hundred ninety-seven".