3390831 has 6 divisors (see below), whose sum is σ = 4897880. Its totient is φ = 2260548.

The previous prime is 3390809. The next prime is 3390839. The reversal of 3390831 is 1380933.

It is not a de Polignac number, because 3390831 - 2⁷ = 3390703 is a prime.

It is a super-2 number, since 2×3390831² = 22995469741122, which contains 22 as substring.

It is a Duffinian number.

3390831 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3390795 and 3390804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3390839) 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, 188371 + ... + 188388.

Almost surely, 2^3390831 is an apocalyptic number.

3390831 is a deficient number, since it is larger than the sum of its proper divisors (1507049).

3390831 is a wasteful number, since it uses less digits than its factorization.

3390831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376765 (or 376762 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 3390831 is about 1841.4209187473. The cubic root of 3390831 is about 150.2341675801.

The spelling of 3390831 in words is "three million, three hundred ninety thousand, eight hundred thirty-one".