14992840 has 64 divisors (see below), whose sum is σ = 35458560. Its totient is φ = 5698560.

The previous prime is 14992837. The next prime is 14992847. The reversal of 14992840 is 4829941.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 14992840.

It is not an unprimeable number, because it can be changed into a prime (14992847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132624 + ... + 132736.

It is an arithmetic number, because the mean of its divisors is an integer number (554040).

Almost surely, 2^14992840 is an apocalyptic number.

14992840 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 14992840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17729280).

14992840 is an abundant number, since it is smaller than the sum of its proper divisors (20465720).

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

14992840 is a wasteful number, since it uses less digits than its factorization.

14992840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262 (or 258 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 14992840 is about 3872.0588838498. The cubic root of 14992840 is about 246.5819610135.

The spelling of 14992840 in words is "fourteen million, nine hundred ninety-two thousand, eight hundred forty".