99981496 has 32 divisors (see below), whose sum is σ = 199112400. Its totient is φ = 46932480.

The previous prime is 99981491. The next prime is 99981509. The reversal of 99981496 is 69418999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99981491) 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, 14266 + ... + 20086.

Almost surely, 2^99981496 is an apocalyptic number.

It is an amenable number.

99981496 is a deficient number, since it is larger than the sum of its proper divisors (99130904).

99981496 is a wasteful number, since it uses less digits than its factorization.

99981496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5959 (or 5955 counting only the distinct ones).

The product of its digits is 1259712, while the sum is 55.

The square root of 99981496 is about 9999.0747571963. The cubic root of 99981496 is about 464.1302522753.

The spelling of 99981496 in words is "ninety-nine million, nine hundred eighty-one thousand, four hundred ninety-six".