14391888 has 120 divisors (see below), whose sum is σ = 44952480. Its totient is φ = 3951360.

The previous prime is 14391887. The next prime is 14391889. The reversal of 14391888 is 88819341.

14391888 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (14391887) and next prime (14391889).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14391887) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68103 + ... + 68313.

It is an arithmetic number, because the mean of its divisors is an integer number (374604).

Almost surely, 2^14391888 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14391888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22476240).

14391888 is an abundant number, since it is smaller than the sum of its proper divisors (30560592).

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

14391888 is a wasteful number, since it uses less digits than its factorization.

14391888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265 (or 252 counting only the distinct ones).

The product of its digits is 55296, while the sum is 42.

The square root of 14391888 is about 3793.6641917808. The cubic root of 14391888 is about 243.2423871468.

The spelling of 14391888 in words is "fourteen million, three hundred ninety-one thousand, eight hundred eighty-eight".