3798181836 has 36 divisors (see below), whose sum is σ = 9758358064. Its totient is φ = 1245304800.

The previous prime is 3798181799. The next prime is 3798181853. The reversal of 3798181836 is 6381818973.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 862600 + ... + 866991.

Almost surely, 2^3798181836 is an apocalyptic number.

3798181836 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3798181836 is an abundant number, since it is smaller than the sum of its proper divisors (5960176228).

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

3798181836 is a wasteful number, since it uses less digits than its factorization.

3798181836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1729662 (or 1729657 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 54.

The square root of 3798181836 is about 61629.3910078625. The cubic root of 3798181836 is about 1560.2418313456.

The spelling of 3798181836 in words is "three billion, seven hundred ninety-eight million, one hundred eighty-one thousand, eight hundred thirty-six".