99531902 has 8 divisors (see below), whose sum is σ = 155789136. Its totient is φ = 47602192.

The previous prime is 99531893. The next prime is 99531919. The reversal of 99531902 is 20913599.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1081823 + ... + 1081914.

It is an arithmetic number, because the mean of its divisors is an integer number (19473642).

Almost surely, 2^99531902 is an apocalyptic number.

99531902 is a deficient number, since it is larger than the sum of its proper divisors (56257234).

99531902 is a wasteful number, since it uses less digits than its factorization.

99531902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2163762.

The product of its (nonzero) digits is 21870, while the sum is 38.

The square root of 99531902 is about 9976.5676462399. The cubic root of 99531902 is about 463.4335108799.

The spelling of 99531902 in words is "ninety-nine million, five hundred thirty-one thousand, nine hundred two".