99609630 has 48 divisors (see below), whose sum is σ = 253974960. Its totient is φ = 24997888.

The previous prime is 99609611. The next prime is 99609667. The reversal of 99609630 is 3690699.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2926 + ... + 14414.

It is an arithmetic number, because the mean of its divisors is an integer number (5291145).

Almost surely, 2^99609630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99609630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126987480).

99609630 is an abundant number, since it is smaller than the sum of its proper divisors (154365330).

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

99609630 is a wasteful number, since it uses less digits than its factorization.

99609630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11533 (or 11516 counting only the distinct ones).

The product of its (nonzero) digits is 78732, while the sum is 42.

The square root of 99609630 is about 9980.4624141369. The cubic root of 99609630 is about 463.5541167238.

The spelling of 99609630 in words is "ninety-nine million, six hundred nine thousand, six hundred thirty".