6920528 has 20 divisors (see below), whose sum is σ = 13663188. Its totient is φ = 3394560.

The previous prime is 6920521. The next prime is 6920569. The reversal of 6920528 is 8250296.

It can be written as a sum of positive squares in 2 ways, for example, as 3794704 + 3125824 = 1948^2 + 1768^2 .

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 6920494 and 6920503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6920521) 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, 3233 + ... + 4928.

Almost surely, 2^6920528 is an apocalyptic number.

It is an amenable number.

6920528 is a deficient number, since it is larger than the sum of its proper divisors (6742660).

6920528 is a wasteful number, since it uses less digits than its factorization.

6920528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8222 (or 8216 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 6920528 is about 2630.6896434205. The cubic root of 6920528 is about 190.5664352208.

The spelling of 6920528 in words is "six million, nine hundred twenty thousand, five hundred twenty-eight".