34391408 has 40 divisors (see below), whose sum is σ = 70990992. Its totient is φ = 16083968.

The previous prime is 34391359. The next prime is 34391411. The reversal of 34391408 is 80419343.

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, 61466 + ... + 62022.

Almost surely, 2^34391408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34391408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35495496).

34391408 is an abundant number, since it is smaller than the sum of its proper divisors (36599584).

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

34391408 is a wasteful number, since it uses less digits than its factorization.

34391408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 809 (or 803 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 34391408 is about 5864.4188117835. The cubic root of 34391408 is about 325.1995870704.

The spelling of 34391408 in words is "thirty-four million, three hundred ninety-one thousand, four hundred eight".