3867418 has 4 divisors (see below), whose sum is σ = 5801130. Its totient is φ = 1933708.

The previous prime is 3867401. The next prime is 3867421. The reversal of 3867418 is 8147683.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3052009 + 815409 = 1747^2 + 903^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 966853 + ... + 966856.

Almost surely, 2^3867418 is an apocalyptic number.

3867418 is a deficient number, since it is larger than the sum of its proper divisors (1933712).

3867418 is a wasteful number, since it uses less digits than its factorization.

3867418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1933711.

The product of its digits is 32256, while the sum is 37.

The square root of 3867418 is about 1966.5751956129. The cubic root of 3867418 is about 156.9665229446.

The spelling of 3867418 in words is "three million, eight hundred sixty-seven thousand, four hundred eighteen".