14491631 has 24 divisors (see below), whose sum is σ = 18689664. Its totient is φ = 10913760.

The previous prime is 14491627. The next prime is 14491637. The reversal of 14491631 is 13619441.

It is not a de Polignac number, because 14491631 - 2² = 14491627 is a prime.

It is a super-2 number, since 2×14491631² = 420014738080322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 14491594 and 14491603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14491637) 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, 216260 + ... + 216326.

It is an arithmetic number, because the mean of its divisors is an integer number (778736).

Almost surely, 2^14491631 is an apocalyptic number.

14491631 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

14491631 is a deficient number, since it is larger than the sum of its proper divisors (4198033).

14491631 is an equidigital number, since it uses as much as digits as its factorization.

14491631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191 (or 138 counting only the distinct ones).

The product of its digits is 2592, while the sum is 29.

The square root of 14491631 is about 3806.7874907854. The cubic root of 14491631 is about 243.8030245371.

The spelling of 14491631 in words is "fourteen million, four hundred ninety-one thousand, six hundred thirty-one".