1812087932 has 6 divisors (see below), whose sum is σ = 3171153888. Its totient is φ = 906043964.

The previous prime is 1812087929. The next prime is 1812087973. The reversal of 1812087932 is 2397802181.

It is a self number, because there is not a number n which added to its sum of digits gives 1812087932.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226510988 + ... + 226510995.

It is an arithmetic number, because the mean of its divisors is an integer number (528525648).

Almost surely, 2^1812087932 is an apocalyptic number.

It is an amenable number.

1812087932 is a deficient number, since it is larger than the sum of its proper divisors (1359065956).

1812087932 is a wasteful number, since it uses less digits than its factorization.

1812087932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453021987 (or 453021985 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 41.

The square root of 1812087932 is about 42568.6261464943. The cubic root of 1812087932 is about 1219.1573353247.

The spelling of 1812087932 in words is "one billion, eight hundred twelve million, eighty-seven thousand, nine hundred thirty-two".