3697445 has 8 divisors (see below), whose sum is σ = 4450680. Its totient is φ = 2948800.

The previous prime is 3697433. The next prime is 3697451. The reversal of 3697445 is 5447963.

3697445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 14884 + 3682561 = 122^2 + 1919^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3697445 - 2⁴ = 3697429 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3697399 and 3697408.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 995 + ... + 2895.

It is an arithmetic number, because the mean of its divisors is an integer number (556335).

Almost surely, 2^3697445 is an apocalyptic number.

It is an amenable number.

3697445 is a deficient number, since it is larger than the sum of its proper divisors (753235).

3697445 is a wasteful number, since it uses less digits than its factorization.

3697445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2295.

The product of its digits is 90720, while the sum is 38.

The square root of 3697445 is about 1922.8741508482. The cubic root of 3697445 is about 154.6324276626.

The spelling of 3697445 in words is "three million, six hundred ninety-seven thousand, four hundred forty-five".