3865846 has 4 divisors (see below), whose sum is σ = 5798772. Its totient is φ = 1932922.

The previous prime is 3865819. The next prime is 3865847. The reversal of 3865846 is 6485683.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 3865799 and 3865808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3865847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 966460 + ... + 966463.

It is an arithmetic number, because the mean of its divisors is an integer number (1449693).

Almost surely, 2^3865846 is an apocalyptic number.

3865846 is a deficient number, since it is larger than the sum of its proper divisors (1932926).

3865846 is a wasteful number, since it uses less digits than its factorization.

3865846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1932925.

The product of its digits is 138240, while the sum is 40.

The square root of 3865846 is about 1966.1754753836. The cubic root of 3865846 is about 156.9452525247.

The spelling of 3865846 in words is "three million, eight hundred sixty-five thousand, eight hundred forty-six".