14808690 has 64 divisors (see below), whose sum is σ = 42537600. Its totient is φ = 3644352.

The previous prime is 14808659. The next prime is 14808691. The reversal of 14808690 is 9680841.

It is a happy number.

It is a super-2 number, since 2×14808690² = 438594599032200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (14808691) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1401 + ... + 5619.

It is an arithmetic number, because the mean of its divisors is an integer number (664650).

Almost surely, 2^14808690 is an apocalyptic number.

14808690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 14808690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21268800).

14808690 is an abundant number, since it is smaller than the sum of its proper divisors (27728910).

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

14808690 is a wasteful number, since it uses less digits than its factorization.

14808690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4248 (or 4242 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 14808690 is about 3848.2060755630. The cubic root of 14808690 is about 245.5682492280.

The spelling of 14808690 in words is "fourteen million, eight hundred eight thousand, six hundred ninety".