532686399 has 24 divisors (see below), whose sum is σ = 831505968. Its totient is φ = 302440320.

The previous prime is 532686383. The next prime is 532686421. The reversal of 532686399 is 993686235.

It is a Cunningham number, because it is equal to 23080²-1.

It is not a de Polignac number, because 532686399 - 2⁴ = 532686383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (532686359) 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, 11539 + ... + 34619.

It is an arithmetic number, because the mean of its divisors is an integer number (34646082).

Almost surely, 2^532686399 is an apocalyptic number.

532686399 is a deficient number, since it is larger than the sum of its proper divisors (298819569).

532686399 is a wasteful number, since it uses less digits than its factorization.

532686399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23255 (or 23248 counting only the distinct ones).

The product of its digits is 2099520, while the sum is 51.

The square root of 532686399 is about 23079.9999783362. Note that the first 4 decimals coincide. The cubic root of 532686399 is about 810.6322346320.

The spelling of 532686399 in words is "five hundred thirty-two million, six hundred eighty-six thousand, three hundred ninety-nine".