13830408 has 96 divisors (see below), whose sum is σ = 39461760. Its totient is φ = 4371840.

The previous prime is 13830389. The next prime is 13830413. The reversal of 13830408 is 80403831.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 206391 + ... + 206457.

It is an arithmetic number, because the mean of its divisors is an integer number (411060).

Almost surely, 2^13830408 is an apocalyptic number.

13830408 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13830408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19730880).

13830408 is an abundant number, since it is smaller than the sum of its proper divisors (25631352).

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

13830408 is a wasteful number, since it uses less digits than its factorization.

13830408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187 (or 180 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 13830408 is about 3718.9256513138. The cubic root of 13830408 is about 240.0370776049.

The spelling of 13830408 in words is "thirteen million, eight hundred thirty thousand, four hundred eight".