14423840 has 24 divisors (see below), whose sum is σ = 34076700. Its totient is φ = 5769472.

The previous prime is 14423833. The next prime is 14423867. The reversal of 14423840 is 4832441.

It can be written as a sum of positive squares in 2 ways, for example, as 12475024 + 1948816 = 3532^2 + 1396^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44915 + ... + 45234.

Almost surely, 2^14423840 is an apocalyptic number.

14423840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14423840 is an abundant number, since it is smaller than the sum of its proper divisors (19652860).

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

14423840 is an equidigital number, since it uses as much as digits as its factorization.

14423840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90164 (or 90156 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 14423840 is about 3797.8730889802. The cubic root of 14423840 is about 243.4222647773.

The spelling of 14423840 in words is "fourteen million, four hundred twenty-three thousand, eight hundred forty".