3867426 has 20 divisors (see below), whose sum is σ = 8666262. Its totient is φ = 1289088.

The previous prime is 3867421. The next prime is 3867433. The reversal of 3867426 is 6247683.

It can be written as a sum of positive squares in only one way, i.e., 3744225 + 123201 = 1935^2 + 351^2 .

It is a d-powerful number, because it can be written as 3³ + 8³ + 6⁵ + 7⁵ + 4⁸ + 2²¹ + 6⁸ .

It is not an unprimeable number, because it can be changed into a prime (3867421) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 11775 + ... + 12098.

Almost surely, 2^3867426 is an apocalyptic number.

3867426 is an abundant number, since it is smaller than the sum of its proper divisors (4798836).

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

3867426 is a wasteful number, since it uses less digits than its factorization.

3867426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23887 (or 23878 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 3867426 is about 1966.5772296048. The cubic root of 3867426 is about 156.9666311762.

The spelling of 3867426 in words is "three million, eight hundred sixty-seven thousand, four hundred twenty-six".