5431864 has 32 divisors (see below), whose sum is σ = 10847520. Its totient is φ = 2544256.

The previous prime is 5431861. The next prime is 5431873. The reversal of 5431864 is 4681345.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5431861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9474 + ... + 10030.

It is an arithmetic number, because the mean of its divisors is an integer number (338985).

Almost surely, 2^5431864 is an apocalyptic number.

It is an amenable number.

5431864 is a deficient number, since it is larger than the sum of its proper divisors (5415656).

5431864 is a wasteful number, since it uses less digits than its factorization.

5431864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639 (or 635 counting only the distinct ones).

The product of its digits is 11520, while the sum is 31.

The square root of 5431864 is about 2330.6359647101. The cubic root of 5431864 is about 175.7854651835.

The spelling of 5431864 in words is "five million, four hundred thirty-one thousand, eight hundred sixty-four".