598997980 has 24 divisors (see below), whose sum is σ = 1437595488. Its totient is φ = 205370688.

The previous prime is 598997963. The next prime is 598998007. The reversal of 598997980 is 89799895.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2139139 + ... + 2139418.

It is an arithmetic number, because the mean of its divisors is an integer number (59899812).

Almost surely, 2^598997980 is an apocalyptic number.

It is an amenable number.

598997980 is an abundant number, since it is smaller than the sum of its proper divisors (838597508).

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

598997980 is a wasteful number, since it uses less digits than its factorization.

598997980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4278573 (or 4278571 counting only the distinct ones).

The product of its (nonzero) digits is 14696640, while the sum is 64.

The square root of 598997980 is about 24474.4352335248. The cubic root of 598997980 is about 842.9628834657.

The spelling of 598997980 in words is "five hundred ninety-eight million, nine hundred ninety-seven thousand, nine hundred eighty".