3867141906 has 32 divisors (see below), whose sum is σ = 8595702720. Its totient is φ = 1288739232.

The previous prime is 3867141821. The next prime is 3867141907. The reversal of 3867141906 is 6091417683.

It is a happy number.

It is a super-2 number, since 2×3867141906² = 29909573042282625672, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3867141907) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 388366 + ... + 398198.

It is an arithmetic number, because the mean of its divisors is an integer number (268615710).

Almost surely, 2^3867141906 is an apocalyptic number.

3867141906 is an abundant number, since it is smaller than the sum of its proper divisors (4728560814).

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

3867141906 is a wasteful number, since it uses less digits than its factorization.

3867141906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17127 (or 17121 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 3867141906 is about 62186.3482285300. The cubic root of 3867141906 is about 1569.6278758879.

The spelling of 3867141906 in words is "three billion, eight hundred sixty-seven million, one hundred forty-one thousand, nine hundred six".