1813482 has 64 divisors (see below), whose sum is σ = 4561920. Its totient is φ = 529200.

The previous prime is 1813477. The next prime is 1813499. The reversal of 1813482 is 2843181.

1813482 is a `hidden beast` number, since 181 + 3 + 482 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25507 + ... + 25577.

It is an arithmetic number, because the mean of its divisors is an integer number (71280).

2^1813482 is an apocalyptic number.

1813482 is the 852-nd heptagonal number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1813482, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2280960).

1813482 is an abundant number, since it is smaller than the sum of its proper divisors (2748438).

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

1813482 is a wasteful number, since it uses less digits than its factorization.

1813482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136 (or 130 counting only the distinct ones).

The product of its digits is 1536, while the sum is 27.

The square root of 1813482 is about 1346.6558580424. The cubic root of 1813482 is about 121.9469894214.

It can be divided in two parts, 181 and 3482, that added together give a palindrome (3663).

The spelling of 1813482 in words is "one million, eight hundred thirteen thousand, four hundred eighty-two".