13843988 has 6 divisors (see below), whose sum is σ = 24226986. Its totient is φ = 6921992.

The previous prime is 13843943. The next prime is 13843993. The reversal of 13843988 is 88934831.

13843988 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 11478544 + 2365444 = 3388^2 + 1538^2 .

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, 1730495 + ... + 1730502.

It is an arithmetic number, because the mean of its divisors is an integer number (4037831).

Almost surely, 2^13843988 is an apocalyptic number.

It is an amenable number.

13843988 is a deficient number, since it is larger than the sum of its proper divisors (10382998).

13843988 is a wasteful number, since it uses less digits than its factorization.

13843988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3461001 (or 3460999 counting only the distinct ones).

The product of its digits is 165888, while the sum is 44.

The square root of 13843988 is about 3720.7509994623. The cubic root of 13843988 is about 240.1156155917.

The spelling of 13843988 in words is "thirteen million, eight hundred forty-three thousand, nine hundred eighty-eight".