3681044 has 12 divisors (see below), whose sum is σ = 6820884. Its totient is φ = 1732224.

The previous prime is 3681043. The next prime is 3681049. The reversal of 3681044 is 4401863.

It can be written as a sum of positive squares in 2 ways, for example, as 1024144 + 2656900 = 1012^2 + 1630^2 .

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3681043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26999 + ... + 27134.

It is an arithmetic number, because the mean of its divisors is an integer number (568407).

Almost surely, 2^3681044 is an apocalyptic number.

3681044 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

3681044 is a deficient number, since it is larger than the sum of its proper divisors (3139840).

3681044 is a wasteful number, since it uses less digits than its factorization.

3681044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54154 (or 54152 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 3681044 is about 1918.6047013390. The cubic root of 3681044 is about 154.4034510222.

The spelling of 3681044 in words is "three million, six hundred eighty-one thousand, forty-four".