14628381 has 8 divisors (see below), whose sum is σ = 20651904. Its totient is φ = 9178560.

The previous prime is 14628379. The next prime is 14628389. The reversal of 14628381 is 18382641.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 14628381 - 2¹ = 14628379 is a prime.

It is a super-2 number, since 2×14628381² = 427979061362322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14628389) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143365 + ... + 143466.

It is an arithmetic number, because the mean of its divisors is an integer number (2581488).

Almost surely, 2^14628381 is an apocalyptic number.

It is an amenable number.

14628381 is a deficient number, since it is larger than the sum of its proper divisors (6023523).

14628381 is a wasteful number, since it uses less digits than its factorization.

14628381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286851.

The product of its digits is 9216, while the sum is 33.

The square root of 14628381 is about 3824.7066554182. The cubic root of 14628381 is about 244.5675057516.

The spelling of 14628381 in words is "fourteen million, six hundred twenty-eight thousand, three hundred eighty-one".