3896857 has 8 divisors (see below), whose sum is σ = 3972672. Its totient is φ = 3822000.

The previous prime is 3896831. The next prime is 3896861. The reversal of 3896857 is 7586983.

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

It is a cyclic number.

It is not a de Polignac number, because 3896857 - 2¹⁵ = 3864089 is a prime.

It is a Duffinian number.

3896857 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3896807) 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 7 ways as a sum of consecutive naturals, for example, 19683 + ... + 19879.

It is an arithmetic number, because the mean of its divisors is an integer number (496584).

Almost surely, 2^3896857 is an apocalyptic number.

It is an amenable number.

3896857 is a deficient number, since it is larger than the sum of its proper divisors (75815).

3896857 is a wasteful number, since it uses less digits than its factorization.

3896857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479.

The product of its digits is 362880, while the sum is 46.

The square root of 3896857 is about 1974.0458454656. The cubic root of 3896857 is about 157.3637959105.

It can be divided in two parts, 3896 and 857, that added together give a triangular number (4753 = T₉₇).

The spelling of 3896857 in words is "three million, eight hundred ninety-six thousand, eight hundred fifty-seven".