14913990 has 128 divisors (see below), whose sum is σ = 49029120. Its totient is φ = 3141504.

The previous prime is 14913989. The next prime is 14914001. The reversal of 14913990 is 9931941.

14913990 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×14913990³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 24267 + ... + 24873.

It is an arithmetic number, because the mean of its divisors is an integer number (383040).

Almost surely, 2^14913990 is an apocalyptic number.

14913990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 14913990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24514560).

14913990 is an abundant number, since it is smaller than the sum of its proper divisors (34115130).

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

14913990 is a wasteful number, since it uses less digits than its factorization.

14913990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643 (or 637 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 36.

The square root of 14913990 is about 3861.8635397953. The cubic root of 14913990 is about 246.1489282621.

The spelling of 14913990 in words is "fourteen million, nine hundred thirteen thousand, nine hundred ninety".