3694885 has 4 divisors (see below), whose sum is σ = 4433868. Its totient is φ = 2955904.

The previous prime is 3694877. The next prime is 3694891. The reversal of 3694885 is 5884963.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5884963 = 7 ⋅840709.

It can be written as a sum of positive squares in 2 ways, for example, as 2666689 + 1028196 = 1633^2 + 1014^2 .

It is a cyclic number.

It is not a de Polignac number, because 3694885 - 2³ = 3694877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 369484 + ... + 369493.

It is an arithmetic number, because the mean of its divisors is an integer number (1108467).

Almost surely, 2^3694885 is an apocalyptic number.

It is an amenable number.

3694885 is a deficient number, since it is larger than the sum of its proper divisors (738983).

3694885 is an equidigital number, since it uses as much as digits as its factorization.

3694885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 738982.

The product of its digits is 207360, while the sum is 43.

The square root of 3694885 is about 1922.2083653964. The cubic root of 3694885 is about 154.5967318050.

The spelling of 3694885 in words is "three million, six hundred ninety-four thousand, eight hundred eighty-five".