34021564 has 6 divisors (see below), whose sum is σ = 59537744. Its totient is φ = 17010780.

The previous prime is 34021541. The next prime is 34021579. The reversal of 34021564 is 46512043.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4252692 + ... + 4252699.

Almost surely, 2^34021564 is an apocalyptic number.

It is an amenable number.

34021564 is a deficient number, since it is larger than the sum of its proper divisors (25516180).

34021564 is a wasteful number, since it uses less digits than its factorization.

34021564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8505395 (or 8505393 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 34021564 is about 5832.8006994925. The cubic root of 34021564 is about 324.0296548582.

It can be divided in two parts, 340 and 21564, that added together give a square (21904 = 148²).

The spelling of 34021564 in words is "thirty-four million, twenty-one thousand, five hundred sixty-four".