3866269 has 4 divisors (see below), whose sum is σ = 4217760. Its totient is φ = 3514780.

The previous prime is 3866263. The next prime is 3866281. The reversal of 3866269 is 9626683.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3866269 - 2⁵ = 3866237 is a prime.

It is a super-2 number, since 2×3866269² = 29896071960722, which contains 22 as substring.

It is a Duffinian number.

3866269 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3866263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175729 + ... + 175750.

It is an arithmetic number, because the mean of its divisors is an integer number (1054440).

Almost surely, 2^3866269 is an apocalyptic number.

It is an amenable number.

3866269 is a deficient number, since it is larger than the sum of its proper divisors (351491).

3866269 is a wasteful number, since it uses less digits than its factorization.

3866269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351490.

The product of its digits is 93312, while the sum is 40.

The square root of 3866269 is about 1966.2830416804. The cubic root of 3866269 is about 156.9509766207.

The spelling of 3866269 in words is "three million, eight hundred sixty-six thousand, two hundred sixty-nine".