99934290 has 64 divisors (see below), whose sum is σ = 275702400. Its totient is φ = 25728192.

The previous prime is 99934283. The next prime is 99934291. The reversal of 99934290 is 9243999.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (99934291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1449 + ... + 14211.

It is an arithmetic number, because the mean of its divisors is an integer number (4307850).

Almost surely, 2^99934290 is an apocalyptic number.

99934290 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 99934290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137851200).

99934290 is an abundant number, since it is smaller than the sum of its proper divisors (175768110).

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

99934290 is a wasteful number, since it uses less digits than its factorization.

99934290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12808 (or 12802 counting only the distinct ones).

The product of its (nonzero) digits is 157464, while the sum is 45.

The square root of 99934290 is about 9996.7139600971. The cubic root of 99934290 is about 464.0571948174.

The spelling of 99934290 in words is "ninety-nine million, nine hundred thirty-four thousand, two hundred ninety".