658000998 has 12 divisors (see below), whose sum is σ = 1425668868. Its totient is φ = 219333660.

The previous prime is 658000979. The next prime is 658001017. The reversal of 658000998 is 899000856.

It is an interprime number because it is at equal distance from previous prime (658000979) and next prime (658001017).

It is a congruent number.

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, 18277788 + ... + 18277823.

It is an arithmetic number, because the mean of its divisors is an integer number (118805739).

Almost surely, 2^658000998 is an apocalyptic number.

658000998 is an abundant number, since it is smaller than the sum of its proper divisors (767667870).

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

658000998 is a wasteful number, since it uses less digits than its factorization.

658000998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36555619 (or 36555616 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

The square root of 658000998 is about 25651.5301297993. The cubic root of 658000998 is about 869.7788657158.

The spelling of 658000998 in words is "six hundred fifty-eight million, nine hundred ninety-eight", and thus it is an aban number.