3865022 has 12 divisors (see below), whose sum is σ = 6744240. Its totient is φ = 1656396.

The previous prime is 3865019. The next prime is 3865063. The reversal of 3865022 is 2205683.

It is a junction number, because it is equal to n+sod(n) for n = 3864982 and 3865000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19622 + ... + 19817.

It is an arithmetic number, because the mean of its divisors is an integer number (562020).

Almost surely, 2^3865022 is an apocalyptic number.

3865022 is a deficient number, since it is larger than the sum of its proper divisors (2879218).

3865022 is a wasteful number, since it uses less digits than its factorization.

3865022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39455 (or 39448 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 3865022 is about 1965.9659203557. The cubic root of 3865022 is about 156.9341008408.

The spelling of 3865022 in words is "three million, eight hundred sixty-five thousand, twenty-two".