99010620 has 96 divisors (see below), whose sum is σ = 310040640. Its totient is φ = 26231040.

The previous prime is 99010591. The next prime is 99010651. The reversal of 99010620 is 2601099.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 97234 + ... + 98246.

It is an arithmetic number, because the mean of its divisors is an integer number (3229590).

Almost surely, 2^99010620 is an apocalyptic number.

99010620 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99010620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155020320).

99010620 is an abundant number, since it is smaller than the sum of its proper divisors (211030020).

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

99010620 is a wasteful number, since it uses less digits than its factorization.

99010620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1212 (or 1204 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 99010620 is about 9950.4080318347. The cubic root of 99010620 is about 462.6230420138.

The spelling of 99010620 in words is "ninety-nine million, ten thousand, six hundred twenty".