99604530 has 48 divisors (see below), whose sum is σ = 274209624. Its totient is φ = 24998400.

The previous prime is 99604529. The next prime is 99604537. The reversal of 99604530 is 3540699.

It can be written as a sum of positive squares in 4 ways, for example, as 98069409 + 1535121 = 9903^2 + 1239^2 .

It is not an unprimeable number, because it can be changed into a prime (99604537) 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, 31021 + ... + 34080.

Almost surely, 2^99604530 is an apocalyptic number.

99604530 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

99604530 is an abundant number, since it is smaller than the sum of its proper divisors (174605094).

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

99604530 is a wasteful number, since it uses less digits than its factorization.

99604530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65131 (or 65128 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 99604530 is about 9980.2069116827. The cubic root of 99604530 is about 463.5462052854.

The spelling of 99604530 in words is "ninety-nine million, six hundred four thousand, five hundred thirty".