14640380 has 24 divisors (see below), whose sum is σ = 30817248. Its totient is φ = 5842368.

The previous prime is 14640377. The next prime is 14640491. The reversal of 14640380 is 8304641.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14657 + ... + 15623.

It is an arithmetic number, because the mean of its divisors is an integer number (1284052).

Almost surely, 2^14640380 is an apocalyptic number.

14640380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14640380 is an abundant number, since it is smaller than the sum of its proper divisors (16176868).

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

14640380 is a wasteful number, since it uses less digits than its factorization.

14640380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1733 (or 1731 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 14640380 is about 3826.2749509151. The cubic root of 14640380 is about 244.6343567016.

The spelling of 14640380 in words is "fourteen million, six hundred forty thousand, three hundred eighty".