2979457 has 4 divisors (see below), whose sum is σ = 3208660. Its totient is φ = 2750256.

The previous prime is 2979439. The next prime is 2979463. The reversal of 2979457 is 7549792.

2979457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 126736 + 2852721 = 356^2 + 1689^2 .

It is a cyclic number.

It is not a de Polignac number, because 2979457 - 2⁷ = 2979329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2979407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114582 + ... + 114607.

It is an arithmetic number, because the mean of its divisors is an integer number (802165).

2^2979457 is an apocalyptic number.

It is an amenable number.

2979457 is a deficient number, since it is larger than the sum of its proper divisors (229203).

2979457 is a wasteful number, since it uses less digits than its factorization.

2979457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229202.

The product of its digits is 158760, while the sum is 43.

The square root of 2979457 is about 1726.1103672709. The cubic root of 2979457 is about 143.8950012614.

The spelling of 2979457 in words is "two million, nine hundred seventy-nine thousand, four hundred fifty-seven".