1828872636 has 24 divisors (see below), whose sum is σ = 4273027920. Its totient is φ = 608815872.

The previous prime is 1828872613. The next prime is 1828872641. The reversal of 1828872636 is 6362788281.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91581 + ... + 109748.

It is an arithmetic number, because the mean of its divisors is an integer number (178042830).

Almost surely, 2^1828872636 is an apocalyptic number.

It is an amenable number.

1828872636 is an abundant number, since it is smaller than the sum of its proper divisors (2444155284).

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

1828872636 is a wasteful number, since it uses less digits than its factorization.

1828872636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202093 (or 202091 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 51.

The square root of 1828872636 is about 42765.3204828398. The cubic root of 1828872636 is about 1222.9099746155.

The spelling of 1828872636 in words is "one billion, eight hundred twenty-eight million, eight hundred seventy-two thousand, six hundred thirty-six".