3682891 has 2 divisors, whose sum is σ = 3682892. Its totient is φ = 3682890.

The previous prime is 3682871. The next prime is 3682927. The reversal of 3682891 is 1982863.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3682891 - 2⁵ = 3682859 is a prime.

It is a super-2 number, since 2×3682891² = 27127372235762, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3682891.

It is not a weakly prime, because it can be changed into another prime (3682801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1841445 + 1841446.

It is an arithmetic number, because the mean of its divisors is an integer number (1841446).

Almost surely, 2^3682891 is an apocalyptic number.

3682891 is a deficient number, since it is larger than the sum of its proper divisors (1).

3682891 is an equidigital number, since it uses as much as digits as its factorization.

3682891 is an evil number, because the sum of its binary digits is even.

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

The square root of 3682891 is about 1919.0859803563. The cubic root of 3682891 is about 154.4292711871.

The spelling of 3682891 in words is "three million, six hundred eighty-two thousand, eight hundred ninety-one".