13862394 has 144 divisors (see below), whose sum is σ = 40055040. Its totient is φ = 3538080.

The previous prime is 13862393. The next prime is 13862413. The reversal of 13862394 is 49326831.

It is a super-2 number, since 2×13862394² = 384331934822472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13862393) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 447159 + ... + 447189.

It is an arithmetic number, because the mean of its divisors is an integer number (278160).

Almost surely, 2^13862394 is an apocalyptic number.

13862394 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13862394, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20027520).

13862394 is an abundant number, since it is smaller than the sum of its proper divisors (26192646).

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

13862394 is a wasteful number, since it uses less digits than its factorization.

13862394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82 (or 56 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 13862394 is about 3723.2236032771. The cubic root of 13862394 is about 240.2219821198.

The spelling of 13862394 in words is "thirteen million, eight hundred sixty-two thousand, three hundred ninety-four".