14406840 has 96 divisors (see below), whose sum is σ = 53520480. Its totient is φ = 3292416.

The previous prime is 14406829. The next prime is 14406841. The reversal of 14406840 is 4860441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14406841) 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, 339 + ... + 5378.

It is an arithmetic number, because the mean of its divisors is an integer number (557505).

Almost surely, 2^14406840 is an apocalyptic number.

14406840 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 14406840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26760240).

14406840 is an abundant number, since it is smaller than the sum of its proper divisors (39113640).

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

14406840 is a wasteful number, since it uses less digits than its factorization.

14406840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5741 (or 5734 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 14406840 is about 3795.6343343373. The cubic root of 14406840 is about 243.3265943381.

The spelling of 14406840 in words is "fourteen million, four hundred six thousand, eight hundred forty".