34855520 has 48 divisors (see below), whose sum is σ = 94112928. Its totient is φ = 11950080.

The previous prime is 34855507. The next prime is 34855523. The reversal of 34855520 is 2555843.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34855523) 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 7 ways as a sum of consecutive naturals, for example, 14441 + ... + 16680.

It is an arithmetic number, because the mean of its divisors is an integer number (1960686).

Almost surely, 2^34855520 is an apocalyptic number.

It is an amenable number.

34855520 is an abundant number, since it is smaller than the sum of its proper divisors (59257408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

34855520 is a wasteful number, since it uses less digits than its factorization.

34855520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31143 (or 31135 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 32.

The square root of 34855520 is about 5903.8563668165. The cubic root of 34855520 is about 326.6559115345.

The spelling of 34855520 in words is "thirty-four million, eight hundred fifty-five thousand, five hundred twenty".