13844628 has 48 divisors (see below), whose sum is σ = 41023360. Its totient is φ = 3955392.

The previous prime is 13844617. The next prime is 13844639. The reversal of 13844628 is 82644831.

It is an interprime number because it is at equal distance from previous prime (13844617) and next prime (13844639).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 13844592 and 13844601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8401 + ... + 9912.

Almost surely, 2^13844628 is an apocalyptic number.

13844628 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

13844628 is an abundant number, since it is smaller than the sum of its proper divisors (27178732).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13844628 is a wasteful number, since it uses less digits than its factorization.

13844628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18333 (or 18325 counting only the distinct ones).

The product of its digits is 36864, while the sum is 36.

The square root of 13844628 is about 3720.8370026111. The cubic root of 13844628 is about 240.1193156725.

The spelling of 13844628 in words is "thirteen million, eight hundred forty-four thousand, six hundred twenty-eight".