3694081 has 4 divisors (see below), whose sum is σ = 3738672. Its totient is φ = 3649492.

The previous prime is 3694063. The next prime is 3694091. The reversal of 3694081 is 1804963.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3694081 - 2⁷ = 3693953 is a prime.

It is a super-2 number, since 2×3694081² = 27292468869122, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3694091) 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, 22171 + ... + 22336.

It is an arithmetic number, because the mean of its divisors is an integer number (934668).

Almost surely, 2^3694081 is an apocalyptic number.

It is an amenable number.

3694081 is a deficient number, since it is larger than the sum of its proper divisors (44591).

3694081 is an equidigital number, since it uses as much as digits as its factorization.

3694081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44590.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 3694081 is about 1921.9992195628. Note that the first 3 decimals coincide. The cubic root of 3694081 is about 154.5855176726.

The spelling of 3694081 in words is "three million, six hundred ninety-four thousand, eighty-one".