6977538 has 12 divisors (see below), whose sum is σ = 15118038. Its totient is φ = 2325840.

The previous prime is 6977527. The next prime is 6977569. The reversal of 6977538 is 8357796.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 6827769 + 149769 = 2613^2 + 387^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6977493 and 6977502.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 193803 + ... + 193838.

Almost surely, 2^6977538 is an apocalyptic number.

6977538 is an abundant number, since it is smaller than the sum of its proper divisors (8140500).

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

6977538 is a wasteful number, since it uses less digits than its factorization.

6977538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387649 (or 387646 counting only the distinct ones).

The product of its digits is 317520, while the sum is 45.

The square root of 6977538 is about 2641.5029812590. The cubic root of 6977538 is about 191.0882882677.

The spelling of 6977538 in words is "six million, nine hundred seventy-seven thousand, five hundred thirty-eight".