99998064 has 200 divisors, whose sum is σ = 316884480. Its totient is φ = 30326400.

The previous prime is 99998051. The next prime is 99998071. The reversal of 99998064 is 46089999.

It is a happy number.

It is a super-2 number, since 2×99998064² = 19999225607496192, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 99998064.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 763279 + ... + 763409.

Almost surely, 2^99998064 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 99998064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158442240).

99998064 is an abundant number, since it is smaller than the sum of its proper divisors (216886416).

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

99998064 is a wasteful number, since it uses less digits than its factorization.

99998064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201 (or 186 counting only the distinct ones).

The product of its (nonzero) digits is 1259712, while the sum is 54.

The square root of 99998064 is about 9999.9031995315. The cubic root of 99998064 is about 464.1558879700.

The spelling of 99998064 in words is "ninety-nine million, nine hundred ninety-eight thousand, sixty-four".