1836809996 has 12 divisors (see below), whose sum is σ = 3673620048. Its totient is φ = 787204272.

The previous prime is 1836809977. The next prime is 1836810037. The reversal of 1836809996 is 6999086381.

1836809996 is an admirable number.

It is a super-2 number, since 2×1836809996² = 6747741922811040032, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32800151 + ... + 32800206.

It is an arithmetic number, because the mean of its divisors is an integer number (306135004).

Almost surely, 2^1836809996 is an apocalyptic number.

It is an amenable number.

1836809996 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1836809996 is a wasteful number, since it uses less digits than its factorization.

1836809996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65600368 (or 65600366 counting only the distinct ones).

The product of its (nonzero) digits is 5038848, while the sum is 59.

The square root of 1836809996 is about 42858.0213729005. The cubic root of 1836809996 is about 1224.6765762306.

The spelling of 1836809996 in words is "one billion, eight hundred thirty-six million, eight hundred nine thousand, nine hundred ninety-six".