13858494 has 32 divisors (see below), whose sum is σ = 30105600. Its totient is φ = 4227552.

The previous prime is 13858469. The next prime is 13858499. The reversal of 13858494 is 49485831.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13858499) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9207 + ... + 10605.

It is an arithmetic number, because the mean of its divisors is an integer number (940800).

Almost surely, 2^13858494 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13858494, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15052800).

13858494 is an abundant number, since it is smaller than the sum of its proper divisors (16247106).

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

13858494 is a wasteful number, since it uses less digits than its factorization.

13858494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1544.

The product of its digits is 138240, while the sum is 42.

The square root of 13858494 is about 3722.6998267387. The cubic root of 13858494 is about 240.1994522546.

The spelling of 13858494 in words is "thirteen million, eight hundred fifty-eight thousand, four hundred ninety-four".