3872667 has 8 divisors (see below), whose sum is σ = 5240896. Its totient is φ = 2543112.

The previous prime is 3872647. The next prime is 3872669. The reversal of 3872667 is 7662783.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3872667 - 2¹¹ = 3870619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3872669) 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, 9433 + ... + 9834.

It is an arithmetic number, because the mean of its divisors is an integer number (655112).

Almost surely, 2^3872667 is an apocalyptic number.

3872667 is a deficient number, since it is larger than the sum of its proper divisors (1368229).

3872667 is a wasteful number, since it uses less digits than its factorization.

3872667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19337.

The product of its digits is 84672, while the sum is 39.

The square root of 3872667 is about 1967.9092966903. The cubic root of 3872667 is about 157.0375043943.

The spelling of 3872667 in words is "three million, eight hundred seventy-two thousand, six hundred sixty-seven".