5646831 has 16 divisors (see below), whose sum is σ = 7797120. Its totient is φ = 3633120.

The previous prime is 5646821. The next prime is 5646859. The reversal of 5646831 is 1386465.

It is not a de Polignac number, because 5646831 - 2¹³ = 5638639 is a prime.

It is a super-2 number, since 2×5646831² = 63773400685122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5646792 and 5646801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5646811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10536 + ... + 11058.

It is an arithmetic number, because the mean of its divisors is an integer number (487320).

Almost surely, 2^5646831 is an apocalyptic number.

5646831 is a deficient number, since it is larger than the sum of its proper divisors (2150289).

5646831 is a wasteful number, since it uses less digits than its factorization.

5646831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646.

The product of its digits is 17280, while the sum is 33.

The square root of 5646831 is about 2376.3061671426. The cubic root of 5646831 is about 178.0744438856.

The spelling of 5646831 in words is "five million, six hundred forty-six thousand, eight hundred thirty-one".