598658 has 4 divisors (see below), whose sum is σ = 897990. Its totient is φ = 299328.

The previous prime is 598657. The next prime is 598669. The reversal of 598658 is 856895.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 351649 + 247009 = 593^2 + 497^2 .

It is not an unprimeable number, because it can be changed into a prime (598651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149663 + ... + 149666.

2⁵⁹⁸⁶⁵⁸ is an apocalyptic number.

598658 is a deficient number, since it is larger than the sum of its proper divisors (299332).

598658 is a wasteful number, since it uses less digits than its factorization.

598658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299331.

The product of its digits is 86400, while the sum is 41.

The square root of 598658 is about 773.7299270417. The cubic root of 598658 is about 84.2803369984.

The spelling of 598658 in words is "five hundred ninety-eight thousand, six hundred fifty-eight".