598763661 has 8 divisors (see below), whose sum is σ = 809596224. Its totient is φ = 393553440.

The previous prime is 598763651. The next prime is 598763687. The reversal of 598763661 is 166367895.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 598763661 - 2⁵ = 598763629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (598763611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1405336 + ... + 1405761.

It is an arithmetic number, because the mean of its divisors is an integer number (101199528).

Almost surely, 2^598763661 is an apocalyptic number.

It is an amenable number.

598763661 is a deficient number, since it is larger than the sum of its proper divisors (210832563).

598763661 is a wasteful number, since it uses less digits than its factorization.

598763661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2811171.

The product of its digits is 1632960, while the sum is 51.

The square root of 598763661 is about 24469.6477498145. The cubic root of 598763661 is about 842.8529509962.

The spelling of 598763661 in words is "five hundred ninety-eight million, seven hundred sixty-three thousand, six hundred sixty-one".