14463640 has 32 divisors (see below), whose sum is σ = 32706000. Its totient is φ = 5756544.

The previous prime is 14463599. The next prime is 14463641. The reversal of 14463640 is 4636441.

It is a happy number.

14463640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 14463599 and 14463608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14463641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8371 + ... + 9949.

Almost surely, 2^14463640 is an apocalyptic number.

14463640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14463640 is an abundant number, since it is smaller than the sum of its proper divisors (18242360).

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

14463640 is a wasteful number, since it uses less digits than its factorization.

14463640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1819 (or 1815 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 14463640 is about 3803.1092542813. The cubic root of 14463640 is about 243.6459525243.

The spelling of 14463640 in words is "fourteen million, four hundred sixty-three thousand, six hundred forty".