13939410 has 16 divisors (see below), whose sum is σ = 33454656. Its totient is φ = 3717168.

The previous prime is 13939391. The next prime is 13939411. The reversal of 13939410 is 1493931.

13939410 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×13939410² = 388614302296200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 464647 = 13939410 / (1 + 3 + 9 + 3 + 9 + 4 + 1 + 0).

It is not an unprimeable number, because it can be changed into a prime (13939411) 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, 232294 + ... + 232353.

It is an arithmetic number, because the mean of its divisors is an integer number (2090916).

Almost surely, 2^13939410 is an apocalyptic number.

13939410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13939410 is an abundant number, since it is smaller than the sum of its proper divisors (19515246).

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

13939410 is a wasteful number, since it uses less digits than its factorization.

13939410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464657.

The product of its (nonzero) digits is 2916, while the sum is 30.

The square root of 13939410 is about 3733.5519281242. The cubic root of 13939410 is about 240.6660319076. Note that the first 3 decimals are identical.

The spelling of 13939410 in words is "thirteen million, nine hundred thirty-nine thousand, four hundred ten".