398244599 has 4 divisors (see below), whose sum is σ = 398462064. Its totient is φ = 398027136.

The previous prime is 398244593. The next prime is 398244607. The reversal of 398244599 is 995442893.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 995442893 = 29 ⋅34325617.

It is a cyclic number.

It is not a de Polignac number, because 398244599 - 2¹⁶ = 398179063 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 398244599.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398244593) 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, 105962 + ... + 109655.

It is an arithmetic number, because the mean of its divisors is an integer number (99615516).

Almost surely, 2^398244599 is an apocalyptic number.

398244599 is a deficient number, since it is larger than the sum of its proper divisors (217465).

398244599 is a wasteful number, since it uses less digits than its factorization.

398244599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217464.

The product of its digits is 2799360, while the sum is 53.

The square root of 398244599 is about 19956.0667216764. The cubic root of 398244599 is about 735.7268937634.

The spelling of 398244599 in words is "three hundred ninety-eight million, two hundred forty-four thousand, five hundred ninety-nine".