598404861 has 8 divisors (see below), whose sum is σ = 886525760. Its totient is φ = 398936556.

The previous prime is 598404857. The next prime is 598404887. The reversal of 598404861 is 168404895.

It is not a de Polignac number, because 598404861 - 2² = 598404857 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (598404841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11081545 + ... + 11081598.

It is an arithmetic number, because the mean of its divisors is an integer number (110815720).

Almost surely, 2^598404861 is an apocalyptic number.

It is an amenable number.

598404861 is a deficient number, since it is larger than the sum of its proper divisors (288120899).

598404861 is a wasteful number, since it uses less digits than its factorization.

598404861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22163152 (or 22163146 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The square root of 598404861 is about 24462.3151193831. The cubic root of 598404861 is about 842.6845617610.

The spelling of 598404861 in words is "five hundred ninety-eight million, four hundred four thousand, eight hundred sixty-one".