34128980 has 12 divisors (see below), whose sum is σ = 71670900. Its totient is φ = 13651584.

The previous prime is 34128977. The next prime is 34129009. The reversal of 34128980 is 8982143.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12264004 + 21864976 = 3502^2 + 4676^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 34128980.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 853205 + ... + 853244.

It is an arithmetic number, because the mean of its divisors is an integer number (5972575).

Almost surely, 2^34128980 is an apocalyptic number.

It is an amenable number.

34128980 is an abundant number, since it is smaller than the sum of its proper divisors (37541920).

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

34128980 is a wasteful number, since it uses less digits than its factorization.

34128980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1706458 (or 1706456 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 34128980 is about 5842.0013693939. The cubic root of 34128980 is about 324.3703152960.

The spelling of 34128980 in words is "thirty-four million, one hundred twenty-eight thousand, nine hundred eighty".