34155657 has 6 divisors (see below), whose sum is σ = 49335962. Its totient is φ = 22770432.

The previous prime is 34155647. The next prime is 34155661. The reversal of 34155657 is 75655143.

It can be written as a sum of positive squares in only one way, i.e., 17214201 + 16941456 = 4149^2 + 4116^2 .

It is not a de Polignac number, because 34155657 - 2⁶ = 34155593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34155617) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1897528 + ... + 1897545.

Almost surely, 2^34155657 is an apocalyptic number.

It is an amenable number.

34155657 is a deficient number, since it is larger than the sum of its proper divisors (15180305).

34155657 is a wasteful number, since it uses less digits than its factorization.

34155657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3795079 (or 3795076 counting only the distinct ones).

The product of its digits is 63000, while the sum is 36.

The square root of 34155657 is about 5844.2841306699. The cubic root of 34155657 is about 324.4548082330.

The spelling of 34155657 in words is "thirty-four million, one hundred fifty-five thousand, six hundred fifty-seven".