99971044 has 12 divisors (see below), whose sum is σ = 179018224. Its totient is φ = 48822984.

The previous prime is 99971023. The next prime is 99971051. The reversal of 99971044 is 44017999.

It is a Harshad number since it is a multiple of its sum of digits (43).

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, 290442 + ... + 290785.

Almost surely, 2^99971044 is an apocalyptic number.

It is an amenable number.

99971044 is a deficient number, since it is larger than the sum of its proper divisors (79047180).

99971044 is a wasteful number, since it uses less digits than its factorization.

99971044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581274 (or 581272 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 43.

The square root of 99971044 is about 9998.5520951786. The cubic root of 99971044 is about 464.1140784210.

The spelling of 99971044 in words is "ninety-nine million, nine hundred seventy-one thousand, forty-four".