99038730 has 64 divisors (see below), whose sum is σ = 275742720. Its totient is φ = 22296384.

The previous prime is 99038711. The next prime is 99038767. The reversal of 99038730 is 3783099.

It is a happy 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, 10551 + ... + 17589.

It is an arithmetic number, because the mean of its divisors is an integer number (4308480).

Almost surely, 2^99038730 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99038730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137871360).

99038730 is an abundant number, since it is smaller than the sum of its proper divisors (176703990).

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

99038730 is a wasteful number, since it uses less digits than its factorization.

99038730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7123.

The product of its (nonzero) digits is 40824, while the sum is 39.

The square root of 99038730 is about 9951.8204364830. The cubic root of 99038730 is about 462.6668188101. Note that the first 3 decimals are identical.

The spelling of 99038730 in words is "ninety-nine million, thirty-eight thousand, seven hundred thirty".