598489393 has 4 divisors (see below), whose sum is σ = 614664820. Its totient is φ = 582313968.

The previous prime is 598489391. The next prime is 598489427. The reversal of 598489393 is 393984895.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 393984895 = 5 ⋅78796979.

It can be written as a sum of positive squares in 2 ways, for example, as 225690529 + 372798864 = 15023^2 + 19308^2 .

It is a cyclic number.

It is not a de Polignac number, because 598489393 - 2¹ = 598489391 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (598489391) 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, 8087658 + ... + 8087731.

It is an arithmetic number, because the mean of its divisors is an integer number (153666205).

Almost surely, 2^598489393 is an apocalyptic number.

It is an amenable number.

598489393 is a deficient number, since it is larger than the sum of its proper divisors (16175427).

598489393 is a wasteful number, since it uses less digits than its factorization.

598489393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16175426.

The product of its digits is 8398080, while the sum is 58.

The square root of 598489393 is about 24464.0428588572. The cubic root of 598489393 is about 842.7242397238.

The spelling of 598489393 in words is "five hundred ninety-eight million, four hundred eighty-nine thousand, three hundred ninety-three".