14538406 has 4 divisors (see below), whose sum is σ = 21807612. Its totient is φ = 7269202.

The previous prime is 14538389. The next prime is 14538413. The reversal of 14538406 is 60483541.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×14538406² = 422730498041672, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3634600 + ... + 3634603.

It is an arithmetic number, because the mean of its divisors is an integer number (5451903).

Almost surely, 2^14538406 is an apocalyptic number.

14538406 is a deficient number, since it is larger than the sum of its proper divisors (7269206).

14538406 is an equidigital number, since it uses as much as digits as its factorization.

14538406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7269205.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 14538406 is about 3812.9261729019. The cubic root of 14538406 is about 244.0650525286.

The spelling of 14538406 in words is "fourteen million, five hundred thirty-eight thousand, four hundred six".