3789681 has 16 divisors (see below), whose sum is σ = 5829504. Its totient is φ = 2145024.

The previous prime is 3789613. The next prime is 3789701. The reversal of 3789681 is 1869873.

It is not a de Polignac number, because 3789681 - 2¹³ = 3781489 is a prime.

It is a super-4 number, since 4×3789681⁴ (a number of 27 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

3789681 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3789601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1575 + ... + 3171.

It is an arithmetic number, because the mean of its divisors is an integer number (364344).

Almost surely, 2^3789681 is an apocalyptic number.

It is an amenable number.

3789681 is a deficient number, since it is larger than the sum of its proper divisors (2039823).

3789681 is a wasteful number, since it uses less digits than its factorization.

3789681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1720.

The product of its digits is 72576, while the sum is 42.

The square root of 3789681 is about 1946.7103020224. The cubic root of 3789681 is about 155.9076952299.

The spelling of 3789681 in words is "three million, seven hundred eighty-nine thousand, six hundred eighty-one".