3694445 has 4 divisors (see below), whose sum is σ = 4433340. Its totient is φ = 2955552.

The previous prime is 3694433. The next prime is 3694451. The reversal of 3694445 is 5444963.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1295044 + 2399401 = 1138^2 + 1549^2 .

It is a cyclic number.

It is not a de Polignac number, because 3694445 - 2⁴ = 3694429 is a prime.

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, 369440 + ... + 369449.

It is an arithmetic number, because the mean of its divisors is an integer number (1108335).

Almost surely, 2^3694445 is an apocalyptic number.

It is an amenable number.

3694445 is a deficient number, since it is larger than the sum of its proper divisors (738895).

3694445 is an equidigital number, since it uses as much as digits as its factorization.

3694445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 738894.

The product of its digits is 51840, while the sum is 35.

The square root of 3694445 is about 1922.0939102968. The cubic root of 3694445 is about 154.5905949192.

The spelling of 3694445 in words is "three million, six hundred ninety-four thousand, four hundred forty-five".