99892138 has 8 divisors (see below), whose sum is σ = 150095232. Its totient is φ = 49860396.

The previous prime is 99892129. The next prime is 99892141. The reversal of 99892138 is 83129899.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×99892138² = 19956878468422088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 99892091 and 99892100.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41370 + ... + 43717.

It is an arithmetic number, because the mean of its divisors is an integer number (18761904).

Almost surely, 2^99892138 is an apocalyptic number.

99892138 is a deficient number, since it is larger than the sum of its proper divisors (50203094).

99892138 is a wasteful number, since it uses less digits than its factorization.

99892138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85676.

The product of its digits is 279936, while the sum is 49.

The square root of 99892138 is about 9994.6054449388. The cubic root of 99892138 is about 463.9919396390.

The spelling of 99892138 in words is "ninety-nine million, eight hundred ninety-two thousand, one hundred thirty-eight".