99453942 has 48 divisors (see below), whose sum is σ = 259234560. Its totient is φ = 26919216.

The previous prime is 99453941. The next prime is 99453947. The reversal of 99453942 is 24935499.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99453941) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18378 + ... + 23165.

It is an arithmetic number, because the mean of its divisors is an integer number (5400720).

Almost surely, 2^99453942 is an apocalyptic number.

99453942 is an abundant number, since it is smaller than the sum of its proper divisors (159780618).

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

99453942 is a wasteful number, since it uses less digits than its factorization.

99453942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41577 (or 41574 counting only the distinct ones).

The product of its digits is 349920, while the sum is 45.

The square root of 99453942 is about 9972.6597254694. The cubic root of 99453942 is about 463.3124819674.

The spelling of 99453942 in words is "ninety-nine million, four hundred fifty-three thousand, nine hundred forty-two".