14391000 has 256 divisors, whose sum is σ = 55036800. Its totient is φ = 3456000.

The previous prime is 14390969. The next prime is 14391007. The reversal of 14391000 is 19341.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14391007) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 350980 + ... + 351020.

Almost surely, 2^14391000 is an apocalyptic number.

14391000 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 14391000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27518400).

14391000 is an abundant number, since it is smaller than the sum of its proper divisors (40645800).

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

14391000 is a wasteful number, since it uses less digits than its factorization.

14391000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84 (or 64 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 14391000 is about 3793.5471527319. The cubic root of 14391000 is about 243.2373842433.

The spelling of 14391000 in words is "fourteen million, three hundred ninety-one thousand".