99662992 has 80 divisors (see below), whose sum is σ = 232360128. Its totient is φ = 40803840.

The previous prime is 99662987. The next prime is 99663007. The reversal of 99662992 is 29926699.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97878 + ... + 98890.

Almost surely, 2^99662992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99662992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116180064).

99662992 is an abundant number, since it is smaller than the sum of its proper divisors (132697136).

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

99662992 is a wasteful number, since it uses less digits than its factorization.

99662992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1088 (or 1082 counting only the distinct ones).

The product of its digits is 944784, while the sum is 52.

The square root of 99662992 is about 9983.1353792283. The cubic root of 99662992 is about 463.6368789993.

The spelling of 99662992 in words is "ninety-nine million, six hundred sixty-two thousand, nine hundred ninety-two".