5918431 has 6 divisors (see below), whose sum is σ = 6287360. Its totient is φ = 5570016.

The previous prime is 5918417. The next prime is 5918441. The reversal of 5918431 is 1348195.

It is not a de Polignac number, because 5918431 - 2⁵ = 5918399 is a prime.

It is a super-2 number, since 2×5918431² = 70055651003522, which contains 22 as substring.

It is a Duffinian number.

5918431 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 5918393 and 5918402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5918401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9951 + ... + 10528.

Almost surely, 2^5918431 is an apocalyptic number.

5918431 is a deficient number, since it is larger than the sum of its proper divisors (368929).

5918431 is a wasteful number, since it uses less digits than its factorization.

5918431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20513 (or 20496 counting only the distinct ones).

The product of its digits is 4320, while the sum is 31.

The square root of 5918431 is about 2432.7825632391. The cubic root of 5918431 is about 180.8848509073.

The spelling of 5918431 in words is "five million, nine hundred eighteen thousand, four hundred thirty-one".