34423664 has 40 divisors (see below), whose sum is σ = 73106928. Its totient is φ = 15572480.

The previous prime is 34423639. The next prime is 34423679. The reversal of 34423664 is 46632443.

It is a self number, because there is not a number n which added to its sum of digits gives 34423664.

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, 55484 + ... + 56100.

Almost surely, 2^34423664 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 34423664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36553464).

34423664 is an abundant number, since it is smaller than the sum of its proper divisors (38683264).

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

34423664 is a wasteful number, since it uses less digits than its factorization.

34423664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 953 (or 947 counting only the distinct ones).

The product of its digits is 41472, while the sum is 32.

The square root of 34423664 is about 5867.1683118861. The cubic root of 34423664 is about 325.3012244730.

The spelling of 34423664 in words is "thirty-four million, four hundred twenty-three thousand, six hundred sixty-four".