598407681 has 8 divisors (see below), whose sum is σ = 798047424. Its totient is φ = 398853200.

The previous prime is 598407653. The next prime is 598407703. The reversal of 598407681 is 186704895.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-598407681 is a prime.

It is a super-2 number, since 2×598407681² = 716183505359595522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 598407681.

It is not an unprimeable number, because it can be changed into a prime (598407181) 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, 2586 + ... + 34691.

It is an arithmetic number, because the mean of its divisors is an integer number (99755928).

Almost surely, 2^598407681 is an apocalyptic number.

It is an amenable number.

598407681 is a deficient number, since it is larger than the sum of its proper divisors (199639743).

598407681 is a wasteful number, since it uses less digits than its factorization.

598407681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42631.

The product of its (nonzero) digits is 483840, while the sum is 48.

The square root of 598407681 is about 24462.3727589946. The cubic root of 598407681 is about 842.6858854839.

The spelling of 598407681 in words is "five hundred ninety-eight million, four hundred seven thousand, six hundred eighty-one".