3869826 has 16 divisors (see below), whose sum is σ = 7928928. Its totient is φ = 1258400.

The previous prime is 3869807. The next prime is 3869849. The reversal of 3869826 is 6289683.

It is a d-powerful number, because it can be written as 3⁸ + 8³ + 6⁶ + 9⁴ + 8⁵ + 2²¹ + 6⁸ .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7620 + ... + 8111.

It is an arithmetic number, because the mean of its divisors is an integer number (495558).

Almost surely, 2^3869826 is an apocalyptic number.

3869826 is an abundant number, since it is smaller than the sum of its proper divisors (4059102).

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

3869826 is a wasteful number, since it uses less digits than its factorization.

3869826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15777.

The product of its digits is 124416, while the sum is 42.

The square root of 3869826 is about 1967.1873322081. The cubic root of 3869826 is about 156.9990939404. Note that the first 3 decimals are identical.

The spelling of 3869826 in words is "three million, eight hundred sixty-nine thousand, eight hundred twenty-six".