957432939 has 4 divisors (see below), whose sum is σ = 1276577256. Its totient is φ = 638288624.

The previous prime is 957432929. The next prime is 957432977. The reversal of 957432939 is 939234759.

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

It is a cyclic number.

It is not a de Polignac number, because 957432939 - 2⁵ = 957432907 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 957432891 and 957432900.

It is not an unprimeable number, because it can be changed into a prime (957432919) 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 3 ways as a sum of consecutive naturals, for example, 159572154 + ... + 159572159.

It is an arithmetic number, because the mean of its divisors is an integer number (319144314).

Almost surely, 2^957432939 is an apocalyptic number.

957432939 is a deficient number, since it is larger than the sum of its proper divisors (319144317).

957432939 is a wasteful number, since it uses less digits than its factorization.

957432939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319144316.

The product of its digits is 1837080, while the sum is 51.

The square root of 957432939 is about 30942.4132704610. The cubic root of 957432939 is about 985.6047508106.

The spelling of 957432939 in words is "nine hundred fifty-seven million, four hundred thirty-two thousand, nine hundred thirty-nine".