99159438 has 24 divisors (see below), whose sum is σ = 230698152. Its totient is φ = 28331184.

The previous prime is 99159413. The next prime is 99159469. The reversal of 99159438 is 83495199.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 168345 + ... + 168932.

It is an arithmetic number, because the mean of its divisors is an integer number (9612423).

Almost surely, 2^99159438 is an apocalyptic number.

99159438 is a gapful number since it is divisible by the number (98) formed by its first and last digit.

99159438 is an abundant number, since it is smaller than the sum of its proper divisors (131538714).

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

99159438 is a wasteful number, since it uses less digits than its factorization.

99159438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337296 (or 337289 counting only the distinct ones).

The product of its digits is 349920, while the sum is 48.

The square root of 99159438 is about 9957.8832087949. The cubic root of 99159438 is about 462.8547079749.

The spelling of 99159438 in words is "ninety-nine million, one hundred fifty-nine thousand, four hundred thirty-eight".