34388718 has 32 divisors (see below), whose sum is σ = 84650496. Its totient is φ = 9069408.

The previous prime is 34388707. The next prime is 34388723. The reversal of 34388718 is 81788343.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 34388718.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30946 + ... + 32037.

It is an arithmetic number, because the mean of its divisors is an integer number (2645328).

Almost surely, 2^34388718 is an apocalyptic number.

34388718 is an abundant number, since it is smaller than the sum of its proper divisors (50261778).

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

34388718 is a wasteful number, since it uses less digits than its factorization.

34388718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63008.

The product of its digits is 129024, while the sum is 42.

The square root of 34388718 is about 5864.1894580581. The cubic root of 34388718 is about 325.1911081145.

The spelling of 34388718 in words is "thirty-four million, three hundred eighty-eight thousand, seven hundred eighteen".