99489192 has 32 divisors (see below), whose sum is σ = 271334880. Its totient is φ = 30148160.

The previous prime is 99489179. The next prime is 99489193. The reversal of 99489192 is 29198499.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (99489193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188163 + ... + 188690.

It is an arithmetic number, because the mean of its divisors is an integer number (8479215).

Almost surely, 2^99489192 is an apocalyptic number.

It is an amenable number.

99489192 is an abundant number, since it is smaller than the sum of its proper divisors (171845688).

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

99489192 is a wasteful number, since it uses less digits than its factorization.

99489192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376873 (or 376869 counting only the distinct ones).

The product of its digits is 419904, while the sum is 51.

The square root of 99489192 is about 9974.4269008299. The cubic root of 99489192 is about 463.3672136201.

It can be divided in two parts, 99489 and 192, that added together give a triangular number (99681 = T₄₄₆).

The spelling of 99489192 in words is "ninety-nine million, four hundred eighty-nine thousand, one hundred ninety-two".