59399920 has 20 divisors (see below), whose sum is σ = 138105000. Its totient is φ = 23759936.

The previous prime is 59399831. The next prime is 59399929. The reversal of 59399920 is 2999395.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (59399929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 371170 + ... + 371329.

It is an arithmetic number, because the mean of its divisors is an integer number (6905250).

Almost surely, 2^59399920 is an apocalyptic number.

It is an amenable number.

59399920 is an abundant number, since it is smaller than the sum of its proper divisors (78705080).

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

59399920 is a wasteful number, since it uses less digits than its factorization.

59399920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742512 (or 742506 counting only the distinct ones).

The product of its (nonzero) digits is 196830, while the sum is 46.

The square root of 59399920 is about 7707.1343572044. The cubic root of 59399920 is about 390.1772588915.

The spelling of 59399920 in words is "fifty-nine million, three hundred ninety-nine thousand, nine hundred twenty".