3681023786 has 16 divisors (see below), whose sum is σ = 6340520160. Its totient is φ = 1585129680.

The previous prime is 3681023771. The next prime is 3681023809. The reversal of 3681023786 is 6873201863.

It is a super-2 number, since 2×3681023786² = 27099872226195547592, which contains 22 as substring.

It is a Curzon 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, 4402721 + ... + 4403556.

It is an arithmetic number, because the mean of its divisors is an integer number (396282510).

Almost surely, 2^3681023786 is an apocalyptic number.

3681023786 is a deficient number, since it is larger than the sum of its proper divisors (2659496374).

3681023786 is a wasteful number, since it uses less digits than its factorization.

3681023786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8806309.

The product of its (nonzero) digits is 290304, while the sum is 44.

The square root of 3681023786 is about 60671.4412718208. The cubic root of 3681023786 is about 1544.0316839252.

The spelling of 3681023786 in words is "three billion, six hundred eighty-one million, twenty-three thousand, seven hundred eighty-six".