14428631 has 32 divisors (see below), whose sum is σ = 18714240. Its totient is φ = 10838016.

The previous prime is 14428559. The next prime is 14428643. The reversal of 14428631 is 13682441.

It is not a de Polignac number, because 14428631 - 2¹⁴ = 14412247 is a prime.

It is a super-2 number, since 2×14428631² = 416370785068322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14428594 and 14428603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14428681) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 127631 + ... + 127743.

It is an arithmetic number, because the mean of its divisors is an integer number (584820).

Almost surely, 2^14428631 is an apocalyptic number.

14428631 is a deficient number, since it is larger than the sum of its proper divisors (4285609).

14428631 is a wasteful number, since it uses less digits than its factorization.

14428631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203.

The product of its digits is 4608, while the sum is 29.

The square root of 14428631 is about 3798.5037843867. The cubic root of 14428631 is about 243.4492133793.

The spelling of 14428631 in words is "fourteen million, four hundred twenty-eight thousand, six hundred thirty-one".