34857657 has 12 divisors (see below), whose sum is σ = 51176164. Its totient is φ = 22857120.

The previous prime is 34857653. The next prime is 34857661. The reversal of 34857657 is 75675843.

34857657 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (34857653) and next prime (34857661).

It can be written as a sum of positive squares in 2 ways, for example, as 1089936 + 33767721 = 1044^2 + 5811^2 .

It is not a de Polignac number, because 34857657 - 2² = 34857653 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34857653) 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 11 ways as a sum of consecutive naturals, for example, 31198 + ... + 32295.

Almost surely, 2^34857657 is an apocalyptic number.

It is an amenable number.

34857657 is a deficient number, since it is larger than the sum of its proper divisors (16318507).

34857657 is a wasteful number, since it uses less digits than its factorization.

34857657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63560 (or 63557 counting only the distinct ones).

The product of its digits is 705600, while the sum is 45.

The square root of 34857657 is about 5904.0373474428. The cubic root of 34857657 is about 326.6625871812.

The spelling of 34857657 in words is "thirty-four million, eight hundred fifty-seven thousand, six hundred fifty-seven".