1806825876 has 12 divisors (see below), whose sum is σ = 4215927072. Its totient is φ = 602275288.

The previous prime is 1806825871. The next prime is 1806825883. The reversal of 1806825876 is 6785286081.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1806825871) 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, 75284400 + ... + 75284423.

It is an arithmetic number, because the mean of its divisors is an integer number (351327256).

Almost surely, 2^1806825876 is an apocalyptic number.

It is an amenable number.

1806825876 is an abundant number, since it is smaller than the sum of its proper divisors (2409101196).

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

1806825876 is a wasteful number, since it uses less digits than its factorization.

1806825876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150568830 (or 150568828 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 51.

The square root of 1806825876 is about 42506.7744718415. The cubic root of 1806825876 is about 1217.9761023781.

The spelling of 1806825876 in words is "one billion, eight hundred six million, eight hundred twenty-five thousand, eight hundred seventy-six".