13894938 has 12 divisors (see below), whose sum is σ = 30105738. Its totient is φ = 4631640.

The previous prime is 13894931. The next prime is 13894949. The reversal of 13894938 is 83949831.

It can be written as a sum of positive squares in only one way, i.e., 9345249 + 4549689 = 3057^2 + 2133^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13894893 and 13894902.

It is not an unprimeable number, because it can be changed into a prime (13894931) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 385953 + ... + 385988.

Almost surely, 2^13894938 is an apocalyptic number.

13894938 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

13894938 is an abundant number, since it is smaller than the sum of its proper divisors (16210800).

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

13894938 is a wasteful number, since it uses less digits than its factorization.

13894938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771949 (or 771946 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 13894938 is about 3727.5914475704. The cubic root of 13894938 is about 240.4098206311.

The spelling of 13894938 in words is "thirteen million, eight hundred ninety-four thousand, nine hundred thirty-eight".