6978896 has 10 divisors (see below), whose sum is σ = 13521642. Its totient is φ = 3489440.

The previous prime is 6978883. The next prime is 6978901. The reversal of 6978896 is 6988796.

It can be written as a sum of positive squares in only one way, i.e., 6431296 + 547600 = 2536^2 + 740^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 218075 + ... + 218106.

Almost surely, 2^6978896 is an apocalyptic number.

It is an amenable number.

6978896 is a deficient number, since it is larger than the sum of its proper divisors (6542746).

6978896 is a wasteful number, since it uses less digits than its factorization.

6978896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436189 (or 436183 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 53.

The square root of 6978896 is about 2641.7600193810. The cubic root of 6978896 is about 191.1006842858.

The spelling of 6978896 in words is "six million, nine hundred seventy-eight thousand, eight hundred ninety-six".