598468661 has 4 divisors (see below), whose sum is σ = 683964192. Its totient is φ = 512973132.

The previous prime is 598468643. The next prime is 598468693. The reversal of 598468661 is 166864895.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 598468661 - 2⁶ = 598468597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (598468601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42747755 + ... + 42747768.

It is an arithmetic number, because the mean of its divisors is an integer number (170991048).

Almost surely, 2^598468661 is an apocalyptic number.

It is an amenable number.

598468661 is a deficient number, since it is larger than the sum of its proper divisors (85495531).

598468661 is an equidigital number, since it uses as much as digits as its factorization.

598468661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85495530.

The product of its digits is 2488320, while the sum is 53.

The square root of 598468661 is about 24463.6191312733. The cubic root of 598468661 is about 842.7145088018.

The spelling of 598468661 in words is "five hundred ninety-eight million, four hundred sixty-eight thousand, six hundred sixty-one".