3694237 has 4 divisors (see below), whose sum is σ = 3854880. Its totient is φ = 3533596.

The previous prime is 3694217. The next prime is 3694241. The reversal of 3694237 is 7324963.

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 3694237 - 2⁷ = 3694109 is a prime.

It is a Duffinian number.

3694237 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3694217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80287 + ... + 80332.

It is an arithmetic number, because the mean of its divisors is an integer number (963720).

Almost surely, 2^3694237 is an apocalyptic number.

It is an amenable number.

3694237 is a deficient number, since it is larger than the sum of its proper divisors (160643).

3694237 is a wasteful number, since it uses less digits than its factorization.

3694237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160642.

The product of its digits is 27216, while the sum is 34.

The square root of 3694237 is about 1922.0398018772. The cubic root of 3694237 is about 154.5876936763.

The spelling of 3694237 in words is "three million, six hundred ninety-four thousand, two hundred thirty-seven".