2920997 has 4 divisors (see below), whose sum is σ = 2938656. Its totient is φ = 2903340.

The previous prime is 2920987. The next prime is 2921027. The reversal of 2920997 is 7990292.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2920997 - 2¹⁴ = 2904613 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2920997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2920987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8579 + ... + 8912.

It is an arithmetic number, because the mean of its divisors is an integer number (734664).

2^2920997 is an apocalyptic number.

It is an amenable number.

2920997 is a deficient number, since it is larger than the sum of its proper divisors (17659).

2920997 is a wasteful number, since it uses less digits than its factorization.

2920997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17658.

The product of its (nonzero) digits is 20412, while the sum is 38.

The square root of 2920997 is about 1709.0924492256. The cubic root of 2920997 is about 142.9476555448.

The spelling of 2920997 in words is "two million, nine hundred twenty thousand, nine hundred ninety-seven".