13958444 has 12 divisors (see below), whose sum is σ = 24486000. Its totient is φ = 6962448.

The previous prime is 13958423. The next prime is 13958449. The reversal of 13958444 is 44485931.

It is a super-2 number, since 2×13958444² = 389676317802272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13958398 and 13958407.

It is not an unprimeable number, because it can be changed into a prime (13958449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2219 + ... + 5730.

It is an arithmetic number, because the mean of its divisors is an integer number (2040500).

Almost surely, 2^13958444 is an apocalyptic number.

It is an amenable number.

13958444 is a deficient number, since it is larger than the sum of its proper divisors (10527556).

13958444 is a wasteful number, since it uses less digits than its factorization.

13958444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8392 (or 8390 counting only the distinct ones).

The product of its digits is 69120, while the sum is 38.

The square root of 13958444 is about 3736.1001057252. The cubic root of 13958444 is about 240.7755237205.

The spelling of 13958444 in words is "thirteen million, nine hundred fifty-eight thousand, four hundred forty-four".