34538440 has 32 divisors (see below), whose sum is σ = 78120000. Its totient is φ = 13742784.

The previous prime is 34538437. The next prime is 34538461. The reversal of 34538440 is 4483543.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5791 + ... + 10129.

It is an arithmetic number, because the mean of its divisors is an integer number (2441250).

Almost surely, 2^34538440 is an apocalyptic number.

It is an amenable number.

34538440 is an abundant number, since it is smaller than the sum of its proper divisors (43581560).

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

34538440 is a wasteful number, since it uses less digits than its factorization.

34538440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4549 (or 4545 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 34538440 is about 5876.9413813650. The cubic root of 34538440 is about 325.6623651283.

The spelling of 34538440 in words is "thirty-four million, five hundred thirty-eight thousand, four hundred forty".