13983890 has 16 divisors (see below), whose sum is σ = 25280640. Its totient is φ = 5569200.

The previous prime is 13983889. The next prime is 13983899. The reversal of 13983890 is 9838931.

It is not an unprimeable number, because it can be changed into a prime (13983899) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 536 + ... + 5315.

It is an arithmetic number, because the mean of its divisors is an integer number (1580040).

Almost surely, 2^13983890 is an apocalyptic number.

13983890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13983890 is a deficient number, since it is larger than the sum of its proper divisors (11296750).

13983890 is a wasteful number, since it uses less digits than its factorization.

13983890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6097.

The product of its (nonzero) digits is 46656, while the sum is 41.

The square root of 13983890 is about 3739.5039778024. The cubic root of 13983890 is about 240.9217447640.

The spelling of 13983890 in words is "thirteen million, nine hundred eighty-three thousand, eight hundred ninety".