3793281156 has 36 divisors (see below), whose sum is σ = 10958368512. Its totient is φ = 1083794544.

The previous prime is 3793281137. The next prime is 3793281161. The reversal of 3793281156 is 6511823973.

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 (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7526100 + ... + 7526603.

Almost surely, 2^3793281156 is an apocalyptic number.

3793281156 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3793281156 is an abundant number, since it is smaller than the sum of its proper divisors (7165087356).

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

3793281156 is a wasteful number, since it uses less digits than its factorization.

3793281156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15052720 (or 15052715 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 3793281156 is about 61589.6188979929. The cubic root of 3793281156 is about 1559.5704981305.

The spelling of 3793281156 in words is "three billion, seven hundred ninety-three million, two hundred eighty-one thousand, one hundred fifty-six".