14331990 has 32 divisors (see below), whose sum is σ = 35894016. Its totient is φ = 3655520.

The previous prime is 14331983. The next prime is 14331991. The reversal of 14331990 is 9913341.

14331990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14331991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9696 + ... + 11075.

It is an arithmetic number, because the mean of its divisors is an integer number (1121688).

Almost surely, 2^14331990 is an apocalyptic number.

14331990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

14331990 is an abundant number, since it is smaller than the sum of its proper divisors (21562026).

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

14331990 is a wasteful number, since it uses less digits than its factorization.

14331990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20804.

The product of its (nonzero) digits is 2916, while the sum is 30.

The square root of 14331990 is about 3785.7614821856. The cubic root of 14331990 is about 242.9044654857.

The spelling of 14331990 in words is "fourteen million, three hundred thirty-one thousand, nine hundred ninety".