1806863332 has 6 divisors (see below), whose sum is σ = 3162010838. Its totient is φ = 903431664.

The previous prime is 1806863327. The next prime is 1806863339. The reversal of 1806863332 is 2333686081.

It can be written as a sum of positive squares in only one way, i.e., 1802511936 + 4351396 = 42456^2 + 2086^2 .

It is a super-2 number, since 2×1806863332² = 6529510201052284448, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1806863339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225857913 + ... + 225857920.

Almost surely, 2^1806863332 is an apocalyptic number.

It is an amenable number.

1806863332 is a deficient number, since it is larger than the sum of its proper divisors (1355147506).

1806863332 is a wasteful number, since it uses less digits than its factorization.

1806863332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451715837 (or 451715835 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 40.

The square root of 1806863332 is about 42507.2150581522. The cubic root of 1806863332 is about 1217.9845186471.

The spelling of 1806863332 in words is "one billion, eight hundred six million, eight hundred sixty-three thousand, three hundred thirty-two".