3867690 has 16 divisors (see below), whose sum is σ = 9282528. Its totient is φ = 1031376.

The previous prime is 3867683. The next prime is 3867691. The reversal of 3867690 is 967683.

It is a super-2 number, since 2×3867690² = 29918051872200, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3867691) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64432 + ... + 64491.

It is an arithmetic number, because the mean of its divisors is an integer number (580158).

Almost surely, 2^3867690 is an apocalyptic number.

3867690 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3867690 is an abundant number, since it is smaller than the sum of its proper divisors (5414838).

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

3867690 is a wasteful number, since it uses less digits than its factorization.

3867690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128933.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 3867690 is about 1966.6443501559. The cubic root of 3867690 is about 156.9702027376.

The spelling of 3867690 in words is "three million, eight hundred sixty-seven thousand, six hundred ninety".