3866769 has 24 divisors (see below), whose sum is σ = 5990400. Its totient is φ = 2395008.

The previous prime is 3866767. The next prime is 3866777. The reversal of 3866769 is 9676683.

It is not a de Polignac number, because 3866769 - 2¹ = 3866767 is a prime.

It is a super-2 number, since 2×3866769² = 29903804998722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3866767) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19332 + ... + 19530.

It is an arithmetic number, because the mean of its divisors is an integer number (249600).

Almost surely, 2^3866769 is an apocalyptic number.

It is an amenable number.

3866769 is a deficient number, since it is larger than the sum of its proper divisors (2123631).

3866769 is a wasteful number, since it uses less digits than its factorization.

3866769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349 (or 346 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 3866769 is about 1966.4101810151. The cubic root of 3866769 is about 156.9577421531.

The spelling of 3866769 in words is "three million, eight hundred sixty-six thousand, seven hundred sixty-nine".