59397840 has 160 divisors (see below), whose sum is σ = 207308160. Its totient is φ = 15630336.

The previous prime is 59397827. The next prime is 59397841. The reversal of 59397840 is 4879395.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (59397841) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 230992 + ... + 231248.

It is an arithmetic number, because the mean of its divisors is an integer number (1295676).

Almost surely, 2^59397840 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 59397840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103654080).

59397840 is an abundant number, since it is smaller than the sum of its proper divisors (147910320).

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

59397840 is a wasteful number, since it uses less digits than its factorization.

59397840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386 (or 374 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 59397840 is about 7706.9994161152. Note that the first 3 decimals coincide. The cubic root of 59397840 is about 390.1727045746.

The spelling of 59397840 in words is "fifty-nine million, three hundred ninety-seven thousand, eight hundred forty".