3964965990 has 32 divisors (see below), whose sum is σ = 9579794400. Its totient is φ = 1050226944.

The previous prime is 3964965941. The next prime is 3964966001. The reversal of 3964965990 is 995694693.

It is a happy number.

It is a congruent number.

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, 439039 + ... + 447978.

It is an arithmetic number, because the mean of its divisors is an integer number (299368575).

Almost surely, 2^3964965990 is an apocalyptic number.

3964965990 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3964965990 is an abundant number, since it is smaller than the sum of its proper divisors (5614828410).

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

3964965990 is a wasteful number, since it uses less digits than its factorization.

3964965990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 887176.

The product of its (nonzero) digits is 14171760, while the sum is 60.

The square root of 3964965990 is about 62967.9759083933. The cubic root of 3964965990 is about 1582.7530368623.

The spelling of 3964965990 in words is "three billion, nine hundred sixty-four million, nine hundred sixty-five thousand, nine hundred ninety".