3867140 has 12 divisors (see below), whose sum is σ = 8121036. Its totient is φ = 1546848.

The previous prime is 3867137. The next prime is 3867163. The reversal of 3867140 is 417683.

It can be written as a sum of positive squares in 2 ways, for example, as 2208196 + 1658944 = 1486^2 + 1288^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96659 + ... + 96698.

It is an arithmetic number, because the mean of its divisors is an integer number (676753).

Almost surely, 2^3867140 is an apocalyptic number.

It is an amenable number.

3867140 is an abundant number, since it is smaller than the sum of its proper divisors (4253896).

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

3867140 is a wasteful number, since it uses less digits than its factorization.

3867140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193366 (or 193364 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 3867140 is about 1966.5045130892. The cubic root of 3867140 is about 156.9627618013.

The spelling of 3867140 in words is "three million, eight hundred sixty-seven thousand, one hundred forty".