99458910 has 48 divisors (see below), whose sum is σ = 259210224. Its totient is φ = 26459136.

The previous prime is 99458873. The next prime is 99458917. The reversal of 99458910 is 1985499.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99458917) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 46014 + ... + 48126.

It is an arithmetic number, because the mean of its divisors is an integer number (5400213).

Almost surely, 2^99458910 is an apocalyptic number.

99458910 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

99458910 is an abundant number, since it is smaller than the sum of its proper divisors (159751314).

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

99458910 is a wasteful number, since it uses less digits than its factorization.

99458910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2649 (or 2646 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 45.

The square root of 99458910 is about 9972.9088033532. The cubic root of 99458910 is about 463.3201964197.

The spelling of 99458910 in words is "ninety-nine million, four hundred fifty-eight thousand, nine hundred ten".