99942402 has 64 divisors (see below), whose sum is σ = 238097664. Its totient is φ = 27371520.

The previous prime is 99942397. The next prime is 99942407. The reversal of 99942402 is 20424999.

It is an interprime number because it is at equal distance from previous prime (99942397) and next prime (99942407).

It is not an unprimeable number, because it can be changed into a prime (99942407) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 113002 + ... + 113882.

It is an arithmetic number, because the mean of its divisors is an integer number (3720276).

Almost surely, 2^99942402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99942402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119048832).

99942402 is an abundant number, since it is smaller than the sum of its proper divisors (138155262).

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

99942402 is a wasteful number, since it uses less digits than its factorization.

99942402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1003.

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 99942402 is about 9997.1196851893. The cubic root of 99942402 is about 464.0697508350.

The spelling of 99942402 in words is "ninety-nine million, nine hundred forty-two thousand, four hundred two".