99503712 has 216 divisors, whose sum is σ = 359645832. Its totient is φ = 25804800.

The previous prime is 99503711. The next prime is 99503713. The reversal of 99503712 is 21730599.

It is an interprime number because it is at equal distance from previous prime (99503711) and next prime (99503713).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99503711) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 154912 + ... + 155552.

It is an arithmetic number, because the mean of its divisors is an integer number (1665027).

Almost surely, 2^99503712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99503712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179822916).

99503712 is an abundant number, since it is smaller than the sum of its proper divisors (260142120).

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

99503712 is a wasteful number, since it uses less digits than its factorization.

99503712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682 (or 664 counting only the distinct ones).

The product of its (nonzero) digits is 17010, while the sum is 36.

The square root of 99503712 is about 9975.1547356419. The cubic root of 99503712 is about 463.3897546437.

The spelling of 99503712 in words is "ninety-nine million, five hundred three thousand, seven hundred twelve".