13939416 has 24 divisors (see below), whose sum is σ = 37752780. Its totient is φ = 4646448.

The previous prime is 13939411. The next prime is 13939463. The reversal of 13939416 is 61493931.

13939416 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 tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 96730 + ... + 96873.

Almost surely, 2^13939416 is an apocalyptic number.

It is an amenable number.

13939416 is an abundant number, since it is smaller than the sum of its proper divisors (23813364).

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

13939416 is a wasteful number, since it uses less digits than its factorization.

13939416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193615 (or 193608 counting only the distinct ones).

The product of its digits is 17496, while the sum is 36.

The square root of 13939416 is about 3733.5527316485. The cubic root of 13939416 is about 240.6660664379. Note that the first 3 decimals are identical.

The spelling of 13939416 in words is "thirteen million, nine hundred thirty-nine thousand, four hundred sixteen".