34378918 has 16 divisors (see below), whose sum is σ = 59314464. Its totient is φ = 14639040.

The previous prime is 34378909. The next prime is 34378921. The reversal of 34378918 is 81987343.

It is a happy number.

It is a congruent number.

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, 5623 + ... + 10018.

It is an arithmetic number, because the mean of its divisors is an integer number (3707154).

Almost surely, 2^34378918 is an apocalyptic number.

34378918 is a deficient number, since it is larger than the sum of its proper divisors (24935546).

34378918 is a wasteful number, since it uses less digits than its factorization.

34378918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15807.

The product of its digits is 145152, while the sum is 43.

The square root of 34378918 is about 5863.3538184217. The cubic root of 34378918 is about 325.1602144976.

The spelling of 34378918 in words is "thirty-four million, three hundred seventy-eight thousand, nine hundred eighteen".