34155957 has 16 divisors (see below), whose sum is σ = 49950720. Its totient is φ = 20588400.

The previous prime is 34155949. The next prime is 34155959. The reversal of 34155957 is 75955143.

It is not a de Polignac number, because 34155957 - 2³ = 34155949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34155959) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3594 + ... + 9012.

It is an arithmetic number, because the mean of its divisors is an integer number (3121920).

Almost surely, 2^34155957 is an apocalyptic number.

It is an amenable number.

34155957 is a deficient number, since it is larger than the sum of its proper divisors (15794763).

34155957 is a wasteful number, since it uses less digits than its factorization.

34155957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5624.

The product of its digits is 94500, while the sum is 39.

The square root of 34155957 is about 5844.3097967168. The cubic root of 34155957 is about 324.4557581602.

The spelling of 34155957 in words is "thirty-four million, one hundred fifty-five thousand, nine hundred fifty-seven".