159400398 has 32 divisors (see below), whose sum is σ = 345413376. Its totient is φ = 48843648.

The previous prime is 159400369. The next prime is 159400427. The reversal of 159400398 is 893004951.

It is an interprime number because it is at equal distance from previous prime (159400369) and next prime (159400427).

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13786 + ... + 22557.

It is an arithmetic number, because the mean of its divisors is an integer number (10794168).

Almost surely, 2^159400398 is an apocalyptic number.

159400398 is an abundant number, since it is smaller than the sum of its proper divisors (186012978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

159400398 is a wasteful number, since it uses less digits than its factorization.

159400398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36408.

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 159400398 is about 12625.3870435722. The cubic root of 159400398 is about 542.2045201571.

The spelling of 159400398 in words is "one hundred fifty-nine million, four hundred thousand, three hundred ninety-eight".