14199990 has 32 divisors (see below), whose sum is σ = 38949120. Its totient is φ = 3245664.

The previous prime is 14199989. The next prime is 14200001. The reversal of 14199990 is 9999141.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 33600 + ... + 34019.

It is an arithmetic number, because the mean of its divisors is an integer number (1217160).

Almost surely, 2^14199990 is an apocalyptic number.

14199990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

14199990 is an abundant number, since it is smaller than the sum of its proper divisors (24749130).

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

14199990 is a wasteful number, since it uses less digits than its factorization.

14199990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67636.

The product of its (nonzero) digits is 26244, while the sum is 42.

The square root of 14199990 is about 3768.2874094209. The cubic root of 14199990 is about 242.1564341561.

The spelling of 14199990 in words is "fourteen million, one hundred ninety-nine thousand, nine hundred ninety".