3870669 has 12 divisors (see below), whose sum is σ = 5673248. Its totient is φ = 2345640.

The previous prime is 3870667. The next prime is 3870689. The reversal of 3870669 is 9660783.

It is not a de Polignac number, because 3870669 - 2¹ = 3870667 is a prime.

It is a super-2 number, since 2×3870669² = 29964157015122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3870667) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4969 + ... + 5694.

Almost surely, 2^3870669 is an apocalyptic number.

It is an amenable number.

3870669 is a deficient number, since it is larger than the sum of its proper divisors (1802579).

3870669 is a wasteful number, since it uses less digits than its factorization.

3870669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10688 (or 10677 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 3870669 is about 1967.4015858487. The cubic root of 3870669 is about 157.0104933011.

It can be divided in two parts, 38 and 70669, that added together give a palindrome (70707).

The spelling of 3870669 in words is "three million, eight hundred seventy thousand, six hundred sixty-nine".