2920957 has 8 divisors (see below), whose sum is σ = 3330936. Its totient is φ = 2537472.

The previous prime is 2920943. The next prime is 2920969. The reversal of 2920957 is 7590292.

It can be written as a sum of positive squares in 4 ways, for example, as 251001 + 2669956 = 501^2 + 1634^2 .

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 2920957 - 2⁷ = 2920829 is a prime.

It is a Duffinian number.

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

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6388 + ... + 6829.

It is an arithmetic number, because the mean of its divisors is an integer number (416367).

2^2920957 is an apocalyptic number.

It is an amenable number.

2920957 is a deficient number, since it is larger than the sum of its proper divisors (409979).

2920957 is a wasteful number, since it uses less digits than its factorization.

2920957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13247.

The product of its (nonzero) digits is 11340, while the sum is 34.

The square root of 2920957 is about 1709.0807470684. The cubic root of 2920957 is about 142.9470030356.

It can be divided in two parts, 29 and 20957, that multiplied together give a triangular number (607753 = T₁₁₀₂).

The spelling of 2920957 in words is "two million, nine hundred twenty thousand, nine hundred fifty-seven".