3803581836 has 72 divisors (see below), whose sum is σ = 10188962784. Its totient is φ = 1192250880.

The previous prime is 3803581763. The next prime is 3803581843. The reversal of 3803581836 is 6381853083.

3803581836 is a `hidden beast` number, since 38 + 0 + 3 + 581 + 8 + 36 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 3803581791 and 3803581800.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1034281 + ... + 1037951.

It is an arithmetic number, because the mean of its divisors is an integer number (141513372).

Almost surely, 2^3803581836 is an apocalyptic number.

3803581836 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3803581836 is an abundant number, since it is smaller than the sum of its proper divisors (6385380948).

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

3803581836 is a wasteful number, since it uses less digits than its factorization.

3803581836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5391 (or 5386 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The square root of 3803581836 is about 61673.1857130796. The cubic root of 3803581836 is about 1560.9808969090.

The spelling of 3803581836 in words is "three billion, eight hundred three million, five hundred eighty-one thousand, eight hundred thirty-six".