98570399 has 4 divisors (see below), whose sum is σ = 98670264. Its totient is φ = 98470536.

The previous prime is 98570363. The next prime is 98570411. The reversal of 98570399 is 99307589.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99307589 = 179 ⋅554791.

It is a cyclic number.

It is not a de Polignac number, because 98570399 - 2²⁴ = 81793183 is a prime.

It is a super-2 number, since 2×98570399² = 19432247118038402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98579399) 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, 48437 + ... + 50430.

It is an arithmetic number, because the mean of its divisors is an integer number (24667566).

Almost surely, 2^98570399 is an apocalyptic number.

98570399 is a deficient number, since it is larger than the sum of its proper divisors (99865).

98570399 is an equidigital number, since it uses as much as digits as its factorization.

98570399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99864.

The product of its (nonzero) digits is 612360, while the sum is 50.

The square root of 98570399 is about 9928.2626375414. The cubic root of 98570399 is about 461.9363851741.

The spelling of 98570399 in words is "ninety-eight million, five hundred seventy thousand, three hundred ninety-nine".