99650000 has 60 divisors (see below), whose sum is σ = 241445484. Its totient is φ = 39840000.

The previous prime is 99649999. The next prime is 99650021. The reversal of 99650000 is 5699.

It can be written as a sum of positive squares in 6 ways, for example, as 72318016 + 27331984 = 8504^2 + 5228^2 .

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a nialpdrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49004 + ... + 50996.

Almost surely, 2^99650000 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 99650000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120722742).

99650000 is an abundant number, since it is smaller than the sum of its proper divisors (141795484).

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

99650000 is an equidigital number, since it uses as much as digits as its factorization.

99650000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2026 (or 2000 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 29.

The square root of 99650000 is about 9982.4846606444. The cubic root of 99650000 is about 463.6167316609.

Adding to 99650000 its reverse (5699), we get a palindrome (99655699).

The spelling of 99650000 in words is "ninety-nine million, six hundred fifty thousand".