398234224415 has 32 divisors (see below), whose sum is σ = 497334297600. Its totient is φ = 305755515520.

The previous prime is 398234224397. The next prime is 398234224417. The reversal of 398234224415 is 514422432893.

It is not a de Polignac number, because 398234224415 - 2⁶ = 398234224351 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 398234224415.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398234224417) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19500560 + ... + 19520970.

It is an arithmetic number, because the mean of its divisors is an integer number (15541696800).

Almost surely, 2^398234224415 is an apocalyptic number.

398234224415 is a deficient number, since it is larger than the sum of its proper divisors (99100073185).

398234224415 is a wasteful number, since it uses less digits than its factorization.

398234224415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21247.

The product of its digits is 1658880, while the sum is 47.

The spelling of 398234224415 in words is "three hundred ninety-eight billion, two hundred thirty-four million, two hundred twenty-four thousand, four hundred fifteen".