3865070 has 32 divisors (see below), whose sum is σ = 7783776. Its totient is φ = 1369600.

The previous prime is 3865063. The next prime is 3865079. The reversal of 3865070 is 705683.

It is a super-2 number, since 2×3865070² = 29877532209800, which contains 22 as substring.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3865079) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4082 + ... + 4938.

It is an arithmetic number, because the mean of its divisors is an integer number (243243).

Almost surely, 2^3865070 is an apocalyptic number.

3865070 is an abundant number, since it is smaller than the sum of its proper divisors (3918706).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3865070 is a wasteful number, since it uses less digits than its factorization.

3865070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 3865070 is about 1965.9781280574. The cubic root of 3865070 is about 156.9347504969.

The spelling of 3865070 in words is "three million, eight hundred sixty-five thousand, seventy".