3996690 has 32 divisors (see below), whose sum is σ = 9676800. Its totient is φ = 1056384.

The previous prime is 3996653. The next prime is 3996743. The reversal of 3996690 is 966993.

It is a super-2 number, since 2×3996690² = 31947061912200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3286 + ... + 4334.

It is an arithmetic number, because the mean of its divisors is an integer number (302400).

Almost surely, 2^3996690 is an apocalyptic number.

3996690 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3996690 is an abundant number, since it is smaller than the sum of its proper divisors (5680110).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3996690 is a wasteful number, since it uses less digits than its factorization.

3996690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1186.

The product of its (nonzero) digits is 78732, while the sum is 42.

The square root of 3996690 is about 1999.1723287401. The cubic root of 3996690 is about 158.6963073013.

The spelling of 3996690 in words is "three million, nine hundred ninety-six thousand, six hundred ninety".