99398754 has 72 divisors (see below), whose sum is σ = 269827740. Its totient is φ = 26212032.

The previous prime is 99398753. The next prime is 99398773. The reversal of 99398754 is 45789399.

It can be written as a sum of positive squares in 2 ways, for example, as 94536729 + 4862025 = 9723^2 + 2205^2 .

It is a super-2 number, since 2×99398754² = 19760224593505032, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 99398754.

It is not an unprimeable number, because it can be changed into a prime (99398753) 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, 7132 + ... + 15800.

Almost surely, 2^99398754 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99398754, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134913870).

99398754 is an abundant number, since it is smaller than the sum of its proper divisors (170428986).

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

99398754 is a wasteful number, since it uses less digits than its factorization.

99398754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8704 (or 8694 counting only the distinct ones).

The product of its digits is 2449440, while the sum is 54.

The square root of 99398754 is about 9969.8923765505. The cubic root of 99398754 is about 463.2267671807.

The spelling of 99398754 in words is "ninety-nine million, three hundred ninety-eight thousand, seven hundred fifty-four".