99919014 has 64 divisors (see below), whose sum is σ = 227555328. Its totient is φ = 29060640.

The previous prime is 99918989. The next prime is 99919019. The reversal of 99919014 is 41091999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99919019) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2323677 + ... + 2323719.

It is an arithmetic number, because the mean of its divisors is an integer number (3555552).

Almost surely, 2^99919014 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99919014, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113777664).

99919014 is an abundant number, since it is smaller than the sum of its proper divisors (127636314).

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

99919014 is a wasteful number, since it uses less digits than its factorization.

99919014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154 (or 92 counting only the distinct ones).

The product of its (nonzero) digits is 26244, while the sum is 42.

The square root of 99919014 is about 9995.9498798263. The cubic root of 99919014 is about 464.0335482828.

The spelling of 99919014 in words is "ninety-nine million, nine hundred nineteen thousand, fourteen".