99995982 has 16 divisors (see below), whose sum is σ = 200357712. Its totient is φ = 33271040.

The previous prime is 99995957. The next prime is 99995983. The reversal of 99995982 is 28959999.

It is a super-2 number, since 2×99995982² = 19998392832288648, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99995983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11619 + ... + 18302.

It is an arithmetic number, because the mean of its divisors is an integer number (12522357).

Almost surely, 2^99995982 is an apocalyptic number.

99995982 is an abundant number, since it is smaller than the sum of its proper divisors (100361730).

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

99995982 is a wasteful number, since it uses less digits than its factorization.

99995982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30483.

The product of its digits is 4723920, while the sum is 60.

The square root of 99995982 is about 9999.7990979819. The cubic root of 99995982 is about 464.1526666434.

The spelling of 99995982 in words is "ninety-nine million, nine hundred ninety-five thousand, nine hundred eighty-two".