88992189 has 72 divisors (see below), whose sum is σ = 158270112. Its totient is φ = 49533120.

The previous prime is 88992173. The next prime is 88992191. The reversal of 88992189 is 98129988.

It is a happy number.

It is not a de Polignac number, because 88992189 - 2⁴ = 88992173 is a prime.

It is a super-3 number, since 3×88992189³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88992139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 451639 + ... + 451835.

It is an arithmetic number, because the mean of its divisors is an integer number (2198196).

Almost surely, 2^88992189 is an apocalyptic number.

It is an amenable number.

88992189 is a deficient number, since it is larger than the sum of its proper divisors (69277923).

88992189 is a wasteful number, since it uses less digits than its factorization.

88992189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249 (or 224 counting only the distinct ones).

The product of its digits is 746496, while the sum is 54.

The square root of 88992189 is about 9433.5671408010. The cubic root of 88992189 is about 446.4614477067.

The spelling of 88992189 in words is "eighty-eight million, nine hundred ninety-two thousand, one hundred eighty-nine".