6978964 has 12 divisors (see below), whose sum is σ = 12292084. Its totient is φ = 3466944.

The previous prime is 6978941. The next prime is 6978973. The reversal of 6978964 is 4698796.

It can be written as a sum of positive squares in 2 ways, for example, as 688900 + 6290064 = 830^2 + 2508^2 .

It is a congruent number.

It is an unprimeable number.

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, 4929 + ... + 6184.

Almost surely, 2^6978964 is an apocalyptic number.

It is an amenable number.

6978964 is a deficient number, since it is larger than the sum of its proper divisors (5313120).

6978964 is a wasteful number, since it uses less digits than its factorization.

6978964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11274 (or 11272 counting only the distinct ones).

The product of its digits is 653184, while the sum is 49.

The square root of 6978964 is about 2641.7728895573. The cubic root of 6978964 is about 191.1013049573.

The spelling of 6978964 in words is "six million, nine hundred seventy-eight thousand, nine hundred sixty-four".