537864 has 32 divisors (see below), whose sum is σ = 1367520. Its totient is φ = 176256.

The previous prime is 537853. The next prime is 537877. The reversal of 537864 is 468735.

It is a zygodrome in base 7.

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, 1599 + ... + 1905.

It is an arithmetic number, because the mean of its divisors is an integer number (42735).

537864 is a Friedman number, since it can be written as (8+6)^5+4*(7+3), using all its digits and the basic arithmetic operations.

2⁵³⁷⁸⁶⁴ is an apocalyptic number.

It is an amenable number.

537864 is an abundant number, since it is smaller than the sum of its proper divisors (829656).

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

537864 is a wasteful number, since it uses less digits than its factorization.

537864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389 (or 385 counting only the distinct ones).

The product of its digits is 20160, while the sum is 33.

The square root of 537864 is about 733.3921188559. The cubic root of 537864 is about 81.3250163194.

The spelling of 537864 in words is "five hundred thirty-seven thousand, eight hundred sixty-four".