34278916 has 24 divisors (see below), whose sum is σ = 69854400. Its totient is φ = 14413152.

The previous prime is 34278887. The next prime is 34278931. The reversal of 34278916 is 61987243.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

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, 10066 + ... + 13033.

It is an arithmetic number, because the mean of its divisors is an integer number (2910600).

Almost surely, 2^34278916 is an apocalyptic number.

It is an amenable number.

34278916 is an abundant number, since it is smaller than the sum of its proper divisors (35575484).

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

34278916 is a wasteful number, since it uses less digits than its factorization.

34278916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23163 (or 23161 counting only the distinct ones).

The product of its digits is 72576, while the sum is 40.

The square root of 34278916 is about 5854.8198947534. The cubic root of 34278916 is about 324.8446310619.

The spelling of 34278916 in words is "thirty-four million, two hundred seventy-eight thousand, nine hundred sixteen".