1820483806 has 8 divisors (see below), whose sum is σ = 2788826400. Its totient is φ = 890875008.

The previous prime is 1820483789. The next prime is 1820483809. The reversal of 1820483806 is 6083840281.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1820483806² = 6628322575816491272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1820483809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9683331 + ... + 9683518.

It is an arithmetic number, because the mean of its divisors is an integer number (348603300).

Almost surely, 2^1820483806 is an apocalyptic number.

1820483806 is a deficient number, since it is larger than the sum of its proper divisors (968342594).

1820483806 is a wasteful number, since it uses less digits than its factorization.

1820483806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19366898.

The product of its (nonzero) digits is 73728, while the sum is 40.

The square root of 1820483806 is about 42667.1279324025. The cubic root of 1820483806 is about 1221.0373256653.

The spelling of 1820483806 in words is "one billion, eight hundred twenty million, four hundred eighty-three thousand, eight hundred six".