3704857 has 4 divisors (see below), whose sum is σ = 3989860. Its totient is φ = 3419856.

The previous prime is 3704849. The next prime is 3704873. The reversal of 3704857 is 7584073.

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 2368521 + 1336336 = 1539^2 + 1156^2 .

It is a cyclic number.

It is not a de Polignac number, because 3704857 - 2³ = 3704849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3704887) 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, 142482 + ... + 142507.

It is an arithmetic number, because the mean of its divisors is an integer number (997465).

Almost surely, 2^3704857 is an apocalyptic number.

It is an amenable number.

3704857 is a deficient number, since it is larger than the sum of its proper divisors (285003).

3704857 is a wasteful number, since it uses less digits than its factorization.

3704857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285002.

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 3704857 is about 1924.8005091437. The cubic root of 3704857 is about 154.7356855021.

The spelling of 3704857 in words is "three million, seven hundred four thousand, eight hundred fifty-seven".