1806952806 has 32 divisors (see below), whose sum is σ = 4022138880. Its totient is φ = 601314408.

The previous prime is 1806952789. The next prime is 1806952817. The reversal of 1806952806 is 6082596081.

It is a super-2 number, since 2×1806952806² = 6530156886222547272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5215 + ... + 60341.

It is an arithmetic number, because the mean of its divisors is an integer number (125691840).

Almost surely, 2^1806952806 is an apocalyptic number.

1806952806 is an abundant number, since it is smaller than the sum of its proper divisors (2215186074).

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

1806952806 is a wasteful number, since it uses less digits than its factorization.

1806952806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55745 (or 55739 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The square root of 1806952806 is about 42508.2675017461. The cubic root of 1806952806 is about 1218.0046227590.

The spelling of 1806952806 in words is "one billion, eight hundred six million, nine hundred fifty-two thousand, eight hundred six".