3964690 has 16 divisors (see below), whose sum is σ = 7174080. Its totient is φ = 1577520.

The previous prime is 3964679. The next prime is 3964693. The reversal of 3964690 is 964693.

It is a super-2 number, since 2×3964690² = 31437533592200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3964693) 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 7 ways as a sum of consecutive naturals, for example, 1171 + ... + 3049.

It is an arithmetic number, because the mean of its divisors is an integer number (448380).

Almost surely, 2^3964690 is an apocalyptic number.

3964690 is a deficient number, since it is larger than the sum of its proper divisors (3209390).

3964690 is a wasteful number, since it uses less digits than its factorization.

3964690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2097.

The product of its (nonzero) digits is 34992, while the sum is 37.

The square root of 3964690 is about 1991.1529323485. The cubic root of 3964690 is about 158.2716312365.

The spelling of 3964690 in words is "three million, nine hundred sixty-four thousand, six hundred ninety".