99999952 has 40 divisors (see below), whose sum is σ = 217736064. Its totient is φ = 44145024.

The previous prime is 99999941. The next prime is 99999959. The reversal of 99999952 is 25999999.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99999959) 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, 5668 + ... + 15235.

Almost surely, 2^99999952 is an apocalyptic number.

99999952 is a gapful number since it is divisible by the number (92) formed by its first and last digit.

It is an amenable number.

99999952 is an abundant number, since it is smaller than the sum of its proper divisors (117736112).

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

99999952 is a wasteful number, since it uses less digits than its factorization.

99999952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20947 (or 20941 counting only the distinct ones).

The product of its digits is 5314410, while the sum is 61.

The square root of 99999952 is about 9999.9975999997. The cubic root of 99999952 is about 464.1588090958.

The spelling of 99999952 in words is "ninety-nine million, nine hundred ninety-nine thousand, nine hundred fifty-two".