3690331 has 4 divisors (see below), whose sum is σ = 3699000. Its totient is φ = 3681664.

The previous prime is 3690329. The next prime is 3690341. The reversal of 3690331 is 1330963.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3690331 - 2¹ = 3690329 is a prime.

It is a super-2 number, since 2×3690331² = 27237085779122, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

3690331 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3690296 and 3690305.

It is not an unprimeable number, because it can be changed into a prime (3690301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3661 + ... + 4558.

It is an arithmetic number, because the mean of its divisors is an integer number (924750).

Almost surely, 2^3690331 is an apocalyptic number.

3690331 is a deficient number, since it is larger than the sum of its proper divisors (8669).

3690331 is an equidigital number, since it uses as much as digits as its factorization.

3690331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8668.

The product of its (nonzero) digits is 1458, while the sum is 25.

The square root of 3690331 is about 1921.0234251565. The cubic root of 3690331 is about 154.5331914460.

The spelling of 3690331 in words is "three million, six hundred ninety thousand, three hundred thirty-one".