14285421 has 12 divisors (see below), whose sum is σ = 20686848. Its totient is φ = 9499464.

The previous prime is 14285399. The next prime is 14285449. The reversal of 14285421 is 12458241.

It is not a de Polignac number, because 14285421 - 2¹⁸ = 14023277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14285471) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2196 + ... + 5778.

It is an arithmetic number, because the mean of its divisors is an integer number (1723904).

Almost surely, 2^14285421 is an apocalyptic number.

It is an amenable number.

14285421 is a deficient number, since it is larger than the sum of its proper divisors (6401427).

14285421 is a wasteful number, since it uses less digits than its factorization.

14285421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4032 (or 4029 counting only the distinct ones).

The product of its digits is 2560, while the sum is 27.

The square root of 14285421 is about 3779.6059318400. The cubic root of 14285421 is about 242.6410898237.

It can be divided in two parts, 14285 and 421, that added together give a triangular number (14706 = T₁₇₁).

The spelling of 14285421 in words is "fourteen million, two hundred eighty-five thousand, four hundred twenty-one".