3857707 has 8 divisors (see below), whose sum is σ = 4448736. Its totient is φ = 3276672.

The previous prime is 3857683. The next prime is 3857717. The reversal of 3857707 is 7077583.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3857707 - 2¹⁵ = 3824939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3857717) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1648 + ... + 3229.

It is an arithmetic number, because the mean of its divisors is an integer number (556092).

Almost surely, 2^3857707 is an apocalyptic number.

3857707 is a deficient number, since it is larger than the sum of its proper divisors (591029).

3857707 is a wasteful number, since it uses less digits than its factorization.

3857707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4997.

The product of its (nonzero) digits is 41160, while the sum is 37.

The square root of 3857707 is about 1964.1046306142. The cubic root of 3857707 is about 156.8350330189.

The spelling of 3857707 in words is "three million, eight hundred fifty-seven thousand, seven hundred seven".