99829644 has 24 divisors (see below), whose sum is σ = 246638448. Its totient is φ = 31319040.

The previous prime is 99829619. The next prime is 99829657. The reversal of 99829644 is 44692899.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 244477 + ... + 244884.

It is an arithmetic number, because the mean of its divisors is an integer number (10276602).

Almost surely, 2^99829644 is an apocalyptic number.

It is an amenable number.

99829644 is an abundant number, since it is smaller than the sum of its proper divisors (146808804).

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

99829644 is a wasteful number, since it uses less digits than its factorization.

99829644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489385 (or 489383 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 51.

The square root of 99829644 is about 9991.4785692609. The cubic root of 99829644 is about 463.8951593789.

The spelling of 99829644 in words is "ninety-nine million, eight hundred twenty-nine thousand, six hundred forty-four".