14388890 has 16 divisors (see below), whose sum is σ = 27263520. Its totient is φ = 5452560.

The previous prime is 14388877. The next prime is 14388911. The reversal of 14388890 is 9888341.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37676 + ... + 38055.

It is an arithmetic number, because the mean of its divisors is an integer number (1703970).

Almost surely, 2^14388890 is an apocalyptic number.

14388890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

14388890 is a deficient number, since it is larger than the sum of its proper divisors (12874630).

14388890 is a wasteful number, since it uses less digits than its factorization.

14388890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75757.

The product of its (nonzero) digits is 55296, while the sum is 41.

The square root of 14388890 is about 3793.2690387053. The cubic root of 14388890 is about 243.2254958879.

The spelling of 14388890 in words is "fourteen million, three hundred eighty-eight thousand, eight hundred ninety".