3892681 has 16 divisors (see below), whose sum is σ = 4483584. Its totient is φ = 3351744.

The previous prime is 3892657. The next prime is 3892697. The reversal of 3892681 is 1862983.

It is not a de Polignac number, because 3892681 - 2⁵ = 3892649 is a prime.

It is a super-2 number, since 2×3892681² = 30305930735522, which contains 22 as substring.

It is a Duffinian number.

3892681 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 3892681.

It is not an unprimeable number, because it can be changed into a prime (3892601) 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, 13915 + ... + 14191.

It is an arithmetic number, because the mean of its divisors is an integer number (280224).

Almost surely, 2^3892681 is an apocalyptic number.

It is an amenable number.

3892681 is a deficient number, since it is larger than the sum of its proper divisors (590903).

3892681 is a wasteful number, since it uses less digits than its factorization.

3892681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360.

The product of its digits is 20736, while the sum is 37.

The square root of 3892681 is about 1972.9878357456. The cubic root of 3892681 is about 157.3075637476.

The spelling of 3892681 in words is "three million, eight hundred ninety-two thousand, six hundred eighty-one".