598440978 has 12 divisors (see below), whose sum is σ = 1296622158. Its totient is φ = 199480320.

The previous prime is 598440949. The next prime is 598441001. The reversal of 598440978 is 879044895.

598440978 is a `hidden beast` number, since 598 + 4 + 40 + 9 + 7 + 8 = 666.

598440978 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 324108009 + 274332969 = 18003^2 + 16563^2 .

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, 16623343 + ... + 16623378.

Almost surely, 2^598440978 is an apocalyptic number.

598440978 is an abundant number, since it is smaller than the sum of its proper divisors (698181180).

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

598440978 is a wasteful number, since it uses less digits than its factorization.

598440978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33246729 (or 33246726 counting only the distinct ones).

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

The square root of 598440978 is about 24463.0533253721. The cubic root of 598440978 is about 842.7015149577.

The spelling of 598440978 in words is "five hundred ninety-eight million, four hundred forty thousand, nine hundred seventy-eight".