99150420 has 48 divisors (see below), whose sum is σ = 287199360. Its totient is φ = 25527936.

The previous prime is 99150413. The next prime is 99150461. The reversal of 99150420 is 2405199.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26752 + ... + 30231.

It is an arithmetic number, because the mean of its divisors is an integer number (5983320).

Almost surely, 2^99150420 is an apocalyptic number.

It is an amenable number.

99150420 is an abundant number, since it is smaller than the sum of its proper divisors (188048940).

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

99150420 is a wasteful number, since it uses less digits than its factorization.

99150420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57024 (or 57022 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 99150420 is about 9957.4303914213. The cubic root of 99150420 is about 462.8406761947.

The spelling of 99150420 in words is "ninety-nine million, one hundred fifty thousand, four hundred twenty".