13933438 has 16 divisors (see below), whose sum is σ = 22212144. Its totient is φ = 6532480.

The previous prime is 13933429. The next prime is 13933453. The reversal of 13933438 is 83433931.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11208 + ... + 12388.

It is an arithmetic number, because the mean of its divisors is an integer number (1388259).

Almost surely, 2^13933438 is an apocalyptic number.

13933438 is a deficient number, since it is larger than the sum of its proper divisors (8278706).

13933438 is a wasteful number, since it uses less digits than its factorization.

13933438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1547.

The product of its digits is 23328, while the sum is 34.

The square root of 13933438 is about 3732.7520678448. The cubic root of 13933438 is about 240.6316578357.

The spelling of 13933438 in words is "thirteen million, nine hundred thirty-three thousand, four hundred thirty-eight".