1806264 has 24 divisors (see below), whose sum is σ = 4892160. Its totient is φ = 602064.

The previous prime is 1806263. The next prime is 1806269. The reversal of 1806264 is 4626081.

It is a tau number, because it is divible by the number of its divisors (24).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1806263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12472 + ... + 12615.

It is an arithmetic number, because the mean of its divisors is an integer number (203840).

2^1806264 is an apocalyptic number.

It is an amenable number.

1806264 is an abundant number, since it is smaller than the sum of its proper divisors (3085896).

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

1806264 is a wasteful number, since it uses less digits than its factorization.

1806264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25099 (or 25092 counting only the distinct ones).

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

The square root of 1806264 is about 1343.9732140188. The cubic root of 1806264 is about 121.7849836293.

The spelling of 1806264 in words is "one million, eight hundred six thousand, two hundred sixty-four".