99381910 has 16 divisors (see below), whose sum is σ = 179165376. Its totient is φ = 39691008.

The previous prime is 99381883. The next prime is 99381937. The reversal of 99381910 is 1918399.

It is an interprime number because it is at equal distance from previous prime (99381883) and next prime (99381937).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 654 + ... + 14113.

It is an arithmetic number, because the mean of its divisors is an integer number (11197836).

Almost surely, 2^99381910 is an apocalyptic number.

99381910 is a deficient number, since it is larger than the sum of its proper divisors (79783466).

99381910 is a wasteful number, since it uses less digits than its factorization.

99381910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15447.

The product of its (nonzero) digits is 17496, while the sum is 40.

The square root of 99381910 is about 9969.0475974388. The cubic root of 99381910 is about 463.2005997419.

The spelling of 99381910 in words is "ninety-nine million, three hundred eighty-one thousand, nine hundred ten".