99281373 has 8 divisors (see below), whose sum is σ = 132573408. Its totient is φ = 66088464.

The previous prime is 99281339. The next prime is 99281383. The reversal of 99281373 is 37318299.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 99281373 - 2⁹ = 99280861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99281383) 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, 22411 + ... + 26472.

It is an arithmetic number, because the mean of its divisors is an integer number (16571676).

Almost surely, 2^99281373 is an apocalyptic number.

It is an amenable number.

99281373 is a deficient number, since it is larger than the sum of its proper divisors (33292035).

99281373 is a wasteful number, since it uses less digits than its factorization.

99281373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49563.

The product of its digits is 81648, while the sum is 42.

The square root of 99281373 is about 9964.0038639093. The cubic root of 99281373 is about 463.0443522891.

The spelling of 99281373 in words is "ninety-nine million, two hundred eighty-one thousand, three hundred seventy-three".