13943930 has 96 divisors (see below), whose sum is σ = 34473600. Its totient is φ = 3991680.

The previous prime is 13943873. The next prime is 13943933. The reversal of 13943930 is 3934931.

13943930 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13943933) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 69971 + ... + 70169.

It is an arithmetic number, because the mean of its divisors is an integer number (359100).

Almost surely, 2^13943930 is an apocalyptic number.

13943930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13943930 is an abundant number, since it is smaller than the sum of its proper divisors (20529670).

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

13943930 is a wasteful number, since it uses less digits than its factorization.

13943930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244 (or 237 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 32.

The square root of 13943930 is about 3734.1572007616. The cubic root of 13943930 is about 240.6920419254.

The spelling of 13943930 in words is "thirteen million, nine hundred forty-three thousand, nine hundred thirty".