3694157 has 4 divisors (see below), whose sum is σ = 3719100. Its totient is φ = 3669216.

The previous prime is 3694147. The next prime is 3694181. The reversal of 3694157 is 7514963.

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 2208196 + 1485961 = 1486^2 + 1219^2 .

It is a cyclic number.

It is not a de Polignac number, because 3694157 - 2¹⁶ = 3628621 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3694127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12248 + ... + 12545.

It is an arithmetic number, because the mean of its divisors is an integer number (929775).

Almost surely, 2^3694157 is an apocalyptic number.

It is an amenable number.

3694157 is a deficient number, since it is larger than the sum of its proper divisors (24943).

3694157 is a wasteful number, since it uses less digits than its factorization.

3694157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24942.

The product of its digits is 22680, while the sum is 35.

The square root of 3694157 is about 1922.0189905409. The cubic root of 3694157 is about 154.5865777846.

The spelling of 3694157 in words is "three million, six hundred ninety-four thousand, one hundred fifty-seven".