578840994 has 12 divisors (see below), whose sum is σ = 1254155526. Its totient is φ = 192946992.

The previous prime is 578840953. The next prime is 578841013. The reversal of 578840994 is 499048875.

It can be written as a sum of positive squares in only one way, i.e., 575280225 + 3560769 = 23985^2 + 1887^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 578840994.

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, 16078899 + ... + 16078934.

Almost surely, 2^578840994 is an apocalyptic number.

578840994 is an abundant number, since it is smaller than the sum of its proper divisors (675314532).

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

578840994 is a wasteful number, since it uses less digits than its factorization.

578840994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32157841 (or 32157838 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 54.

The square root of 578840994 is about 24059.1145722364. The cubic root of 578840994 is about 833.3992274650.

It can be divided in two parts, 5788409 and 94, that added together give a triangular number (5788503 = T₃₄₀₂).

The spelling of 578840994 in words is "five hundred seventy-eight million, eight hundred forty thousand, nine hundred ninety-four".