10864539 has 24 divisors (see below), whose sum is σ = 18516992. Its totient is φ = 6006960.

The previous prime is 10864537. The next prime is 10864559. The reversal of 10864539 is 93546801.

10864539 is a `hidden beast` number, since 1 + 0 + 8 + 645 + 3 + 9 = 666.

It is not a de Polignac number, because 10864539 - 2¹ = 10864537 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10864537) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 829 + ... + 4734.

Almost surely, 2^10864539 is an apocalyptic number.

10864539 is a deficient number, since it is larger than the sum of its proper divisors (7652453).

10864539 is a wasteful number, since it uses less digits than its factorization.

10864539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5607 (or 5604 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 10864539 is about 3296.1400152299. The cubic root of 10864539 is about 221.4813189238.

It can be divided in two parts, 1086 and 4539, that added together give a square (5625 = 75²).

The spelling of 10864539 in words is "ten million, eight hundred sixty-four thousand, five hundred thirty-nine".