99281964 has 48 divisors (see below), whose sum is σ = 247403520. Its totient is φ = 30918720.

The previous prime is 99281947. The next prime is 99281981. The reversal of 99281964 is 46918299.

It is an interprime number because it is at equal distance from previous prime (99281947) and next prime (99281981).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6187 + ... + 15389.

It is an arithmetic number, because the mean of its divisors is an integer number (5154240).

Almost surely, 2^99281964 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 99281964, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123701760).

99281964 is an abundant number, since it is smaller than the sum of its proper divisors (148121556).

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

99281964 is a wasteful number, since it uses less digits than its factorization.

99281964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9270 (or 9268 counting only the distinct ones).

The product of its digits is 279936, while the sum is 48.

The square root of 99281964 is about 9964.0335206180. The cubic root of 99281964 is about 463.0452710874.

The spelling of 99281964 in words is "ninety-nine million, two hundred eighty-one thousand, nine hundred sixty-four".