99652890 has 16 divisors (see below), whose sum is σ = 239167008. Its totient is φ = 26574096.

The previous prime is 99652873. The next prime is 99652897. The reversal of 99652890 is 9825699.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (99652897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1660852 + ... + 1660911.

It is an arithmetic number, because the mean of its divisors is an integer number (14947938).

Almost surely, 2^99652890 is an apocalyptic number.

99652890 is an abundant number, since it is smaller than the sum of its proper divisors (139514118).

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

99652890 is a wasteful number, since it uses less digits than its factorization.

99652890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3321773.

The product of its (nonzero) digits is 349920, while the sum is 48.

The square root of 99652890 is about 9982.6294131356. The cubic root of 99652890 is about 463.6212134786.

The spelling of 99652890 in words is "ninety-nine million, six hundred fifty-two thousand, eight hundred ninety".