14639340 has 24 divisors (see below), whose sum is σ = 40990320. Its totient is φ = 3903808.

The previous prime is 14639321. The next prime is 14639351. The reversal of 14639340 is 4393641.

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

It is a junction number, because it is equal to n+sod(n) for n = 14639298 and 14639307.

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, 121935 + ... + 122054.

It is an arithmetic number, because the mean of its divisors is an integer number (1707930).

Almost surely, 2^14639340 is an apocalyptic number.

14639340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14639340 is an abundant number, since it is smaller than the sum of its proper divisors (26350980).

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

14639340 is a wasteful number, since it uses less digits than its factorization.

14639340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244001 (or 243999 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 14639340 is about 3826.1390460881. The cubic root of 14639340 is about 244.6285639158.

The spelling of 14639340 in words is "fourteen million, six hundred thirty-nine thousand, three hundred forty".