598340591 has 2 divisors, whose sum is σ = 598340592. Its totient is φ = 598340590.

The previous prime is 598340573. The next prime is 598340599. The reversal of 598340591 is 195043895.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-598340591 is a prime.

It is a super-2 number, since 2×598340591² = 716022925676458562, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (598340599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 299170295 + 299170296.

It is an arithmetic number, because the mean of its divisors is an integer number (299170296).

Almost surely, 2^598340591 is an apocalyptic number.

598340591 is a deficient number, since it is larger than the sum of its proper divisors (1).

598340591 is an equidigital number, since it uses as much as digits as its factorization.

598340591 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 194400, while the sum is 44.

The square root of 598340591 is about 24461.0014308491. The cubic root of 598340591 is about 842.6543919549.

The spelling of 598340591 in words is "five hundred ninety-eight million, three hundred forty thousand, five hundred ninety-one".