1806206364 has 72 divisors (see below), whose sum is σ = 4748248960. Its totient is φ = 600357744.

The previous prime is 1806206341. The next prime is 1806206377. The reversal of 1806206364 is 4636026081.

1806206364 is a `hidden beast` number, since 18 + 0 + 6 + 2 + 0 + 636 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 365937 + ... + 370839.

Almost surely, 2^1806206364 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1806206364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2374124480).

1806206364 is an abundant number, since it is smaller than the sum of its proper divisors (2942042596).

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

1806206364 is a wasteful number, since it uses less digits than its factorization.

1806206364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5301 (or 5287 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 1806206364 is about 42499.4866321936. The cubic root of 1806206364 is about 1217.8368827156.

The spelling of 1806206364 in words is "one billion, eight hundred six million, two hundred six thousand, three hundred sixty-four".