5709978 has 24 divisors (see below), whose sum is σ = 12460500. Its totient is φ = 1889664.

The previous prime is 5709953. The next prime is 5710021. The reversal of 5709978 is 8799075.

5709978 is a `hidden beast` number, since 570 + 9 + 9 + 78 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5049009 + 660969 = 2247^2 + 813^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1618 + ... + 3746.

Almost surely, 2^5709978 is an apocalyptic number.

5709978 is an abundant number, since it is smaller than the sum of its proper divisors (6750522).

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

5709978 is a wasteful number, since it uses less digits than its factorization.

5709978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2286 (or 2283 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 45.

The square root of 5709978 is about 2389.5560257085. The cubic root of 5709978 is about 178.7357711138.

The spelling of 5709978 in words is "five million, seven hundred nine thousand, nine hundred seventy-eight".