14028420 has 96 divisors (see below), whose sum is σ = 45416448. Its totient is φ = 3169152.

The previous prime is 14028407. The next prime is 14028433. The reversal of 14028420 is 2482041.

It is an interprime number because it is at equal distance from previous prime (14028407) and next prime (14028433).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53209 + ... + 53471.

It is an arithmetic number, because the mean of its divisors is an integer number (473088).

Almost surely, 2^14028420 is an apocalyptic number.

14028420 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 14028420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22708224).

14028420 is an abundant number, since it is smaller than the sum of its proper divisors (31388028).

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

14028420 is a wasteful number, since it uses less digits than its factorization.

14028420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409 (or 407 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 14028420 is about 3745.4532436008. The cubic root of 14028420 is about 241.1772024800.

The spelling of 14028420 in words is "fourteen million, twenty-eight thousand, four hundred twenty".