14940840 has 64 divisors (see below), whose sum is σ = 47188800. Its totient is φ = 3773952.

The previous prime is 14940839. The next prime is 14940881. The reversal of 14940840 is 4804941.

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 = 14940798 and 14940807.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 997 + ... + 5556.

It is an arithmetic number, because the mean of its divisors is an integer number (737325).

Almost surely, 2^14940840 is an apocalyptic number.

14940840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14940840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23594400).

14940840 is an abundant number, since it is smaller than the sum of its proper divisors (32247960).

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

14940840 is a wasteful number, since it uses less digits than its factorization.

14940840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6586 (or 6582 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 14940840 is about 3865.3382775638. The cubic root of 14940840 is about 246.2965555685.

The spelling of 14940840 in words is "fourteen million, nine hundred forty thousand, eight hundred forty".