14503890 has 32 divisors (see below), whose sum is σ = 36858240. Its totient is φ = 3640064.

The previous prime is 14503883. The next prime is 14503891. The reversal of 14503890 is 9830541.

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

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (14503891) 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, 13710 + ... + 14729.

It is an arithmetic number, because the mean of its divisors is an integer number (1151820).

Almost surely, 2^14503890 is an apocalyptic number.

14503890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

14503890 is an abundant number, since it is smaller than the sum of its proper divisors (22354350).

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

14503890 is a wasteful number, since it uses less digits than its factorization.

14503890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28466.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 14503890 is about 3808.3973007028. The cubic root of 14503890 is about 243.8717524556.

The spelling of 14503890 in words is "fourteen million, five hundred three thousand, eight hundred ninety".