14428990 has 8 divisors (see below), whose sum is σ = 25972200. Its totient is φ = 5771592.

The previous prime is 14428949. The next prime is 14428993. The reversal of 14428990 is 9982441.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14428993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 721440 + ... + 721459.

It is an arithmetic number, because the mean of its divisors is an integer number (3246525).

Almost surely, 2^14428990 is an apocalyptic number.

14428990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

14428990 is a deficient number, since it is larger than the sum of its proper divisors (11543210).

14428990 is a wasteful number, since it uses less digits than its factorization.

14428990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1442906.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 14428990 is about 3798.5510395413. The cubic root of 14428990 is about 243.4512324561.

The spelling of 14428990 in words is "fourteen million, four hundred twenty-eight thousand, nine hundred ninety".