6990964 has 12 divisors (see below), whose sum is σ = 12253444. Its totient is φ = 3489984.

The previous prime is 6990959. The next prime is 6990967. The reversal of 6990964 is 4690996.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2755600 + 4235364 = 1660^2 + 2058^2 .

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 6990964.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6990967) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3112 + ... + 4864.

Almost surely, 2^6990964 is an apocalyptic number.

It is an amenable number.

6990964 is a deficient number, since it is larger than the sum of its proper divisors (5262480).

6990964 is a wasteful number, since it uses less digits than its factorization.

6990964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2754 (or 2752 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 43.

The square root of 6990964 is about 2644.0431161386. The cubic root of 6990964 is about 191.2107721387.

Subtracting from 6990964 its reverse (4690996), we obtain a cube (2299968 = 132³).

The spelling of 6990964 in words is "six million, nine hundred ninety thousand, nine hundred sixty-four".