1814886 has 40 divisors (see below), whose sum is σ = 4312440. Its totient is φ = 568512.

The previous prime is 1814851. The next prime is 1814909. The reversal of 1814886 is 6884181.

It is a super-2 number, since 2×1814886² = 6587622385992, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1814886.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2425 + ... + 3083.

It is an arithmetic number, because the mean of its divisors is an integer number (107811).

2^1814886 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1814886, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2156220).

1814886 is an abundant number, since it is smaller than the sum of its proper divisors (2497554).

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

1814886 is a wasteful number, since it uses less digits than its factorization.

1814886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690 (or 681 counting only the distinct ones).

The product of its digits is 12288, while the sum is 36.

The square root of 1814886 is about 1347.1770484981. The cubic root of 1814886 is about 121.9784518066.

The spelling of 1814886 in words is "one million, eight hundred fourteen thousand, eight hundred eighty-six".