99965190 has 48 divisors (see below), whose sum is σ = 259804368. Its totient is φ = 24605568.

The previous prime is 99965189. The next prime is 99965191. The reversal of 99965190 is 9156999.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (99965189) and next prime (99965191).

It is a super-2 number, since 2×99965190² = 19986078423472200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99965191) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4789 + ... + 14928.

It is an arithmetic number, because the mean of its divisors is an integer number (5412591).

Almost surely, 2^99965190 is an apocalyptic number.

99965190 is an abundant number, since it is smaller than the sum of its proper divisors (159839178).

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

99965190 is a wasteful number, since it uses less digits than its factorization.

99965190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19753 (or 19740 counting only the distinct ones).

The product of its (nonzero) digits is 196830, while the sum is 48.

The square root of 99965190 is about 9998.2593485066. The cubic root of 99965190 is about 464.1050192083.

The spelling of 99965190 in words is "ninety-nine million, nine hundred sixty-five thousand, one hundred ninety".