5647431 has 16 divisors (see below), whose sum is σ = 7862400. Its totient is φ = 3601248.

The previous prime is 5647409. The next prime is 5647457. The reversal of 5647431 is 1347465.

It is not a de Polignac number, because 5647431 - 2⁹ = 5646919 is a prime.

It is a super-2 number, since 2×5647431² = 63786953799522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5647471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11860 + ... + 12326.

It is an arithmetic number, because the mean of its divisors is an integer number (491400).

Almost surely, 2^5647431 is an apocalyptic number.

5647431 is a deficient number, since it is larger than the sum of its proper divisors (2214969).

5647431 is a wasteful number, since it uses less digits than its factorization.

5647431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638.

The product of its digits is 10080, while the sum is 30.

The square root of 5647431 is about 2376.4324101476. The cubic root of 5647431 is about 178.0807507199.

The spelling of 5647431 in words is "five million, six hundred forty-seven thousand, four hundred thirty-one".