99942336 has 140 divisors (see below), whose sum is σ = 319264792. Its totient is φ = 30730752.

The previous prime is 99942317. The next prime is 99942341. The reversal of 99942336 is 63324999.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 99942291 and 99942300.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 66651 + ... + 68133.

Almost surely, 2^99942336 is an apocalyptic number.

99942336 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99942336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159632396).

99942336 is an abundant number, since it is smaller than the sum of its proper divisors (219322456).

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

99942336 is a wasteful number, since it uses less digits than its factorization.

99942336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1520 (or 1501 counting only the distinct ones).

The product of its digits is 314928, while the sum is 45.

The square root of 99942336 is about 9997.1163842380. The cubic root of 99942336 is about 464.0696486808.

The spelling of 99942336 in words is "ninety-nine million, nine hundred forty-two thousand, three hundred thirty-six".