99994230 has 128 divisors (see below), whose sum is σ = 307445760. Its totient is φ = 22654080.

The previous prime is 99994229. The next prime is 99994231. The reversal of 99994230 is 3249999.

It is an interprime number because it is at equal distance from previous prime (99994229) and next prime (99994231).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99994231) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 360852 + ... + 361128.

It is an arithmetic number, because the mean of its divisors is an integer number (2401920).

Almost surely, 2^99994230 is an apocalyptic number.

99994230 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 99994230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153722880).

99994230 is an abundant number, since it is smaller than the sum of its proper divisors (207451530).

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

99994230 is a wasteful number, since it uses less digits than its factorization.

99994230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491 (or 485 counting only the distinct ones).

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

The square root of 99994230 is about 9999.7114958383. The cubic root of 99994230 is about 464.1499558670.

The spelling of 99994230 in words is "ninety-nine million, nine hundred ninety-four thousand, two hundred thirty".