3697493 has 6 divisors (see below), whose sum is σ = 3743586. Its totient is φ = 3651872.

The previous prime is 3697487. The next prime is 3697511. The reversal of 3697493 is 3947963.

It can be written as a sum of positive squares in 3 ways, for example, as 1909924 + 1787569 = 1382^2 + 1337^2 .

It is not a de Polignac number, because 3697493 - 2⁶ = 3697429 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3697493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3697403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18671 + ... + 18867.

It is an arithmetic number, because the mean of its divisors is an integer number (623931).

Almost surely, 2^3697493 is an apocalyptic number.

It is an amenable number.

3697493 is a deficient number, since it is larger than the sum of its proper divisors (46093).

3697493 is an equidigital number, since it uses as much as digits as its factorization.

3697493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471 (or 334 counting only the distinct ones).

The product of its digits is 122472, while the sum is 41.

The square root of 3697493 is about 1922.8866321237. The cubic root of 3697493 is about 154.6330968025.

The spelling of 3697493 in words is "three million, six hundred ninety-seven thousand, four hundred ninety-three".