3712857 has 4 divisors (see below), whose sum is σ = 4950480. Its totient is φ = 2475236.

The previous prime is 3712843. The next prime is 3712871. The reversal of 3712857 is 7582173.

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, and also an emirpimes, since its reverse is a distinct semiprime: 7582173 = 3 ⋅2527391.

It is an interprime number because it is at equal distance from previous prime (3712843) and next prime (3712871).

It is a cyclic number.

It is not a de Polignac number, because 3712857 - 2⁸ = 3712601 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 3¹³ + 7⁴ + 1 + 2¹¹ + 8⁷ + 5³ + 7⁵ .

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (3712897) 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, 618807 + ... + 618812.

It is an arithmetic number, because the mean of its divisors is an integer number (1237620).

Almost surely, 2^3712857 is an apocalyptic number.

It is an amenable number.

3712857 is a deficient number, since it is larger than the sum of its proper divisors (1237623).

3712857 is a wasteful number, since it uses less digits than its factorization.

3712857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1237622.

The product of its digits is 11760, while the sum is 33.

The square root of 3712857 is about 1926.8775259471. The cubic root of 3712857 is about 154.8469804456.

The spelling of 3712857 in words is "three million, seven hundred twelve thousand, eight hundred fifty-seven".