3872318 has 4 divisors (see below), whose sum is σ = 5808480. Its totient is φ = 1936158.

The previous prime is 3872317. The next prime is 3872329. The reversal of 3872318 is 8132783.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8132783 = 17 ⋅478399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3872317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 968078 + ... + 968081.

It is an arithmetic number, because the mean of its divisors is an integer number (1452120).

Almost surely, 2^3872318 is an apocalyptic number.

3872318 is a deficient number, since it is larger than the sum of its proper divisors (1936162).

3872318 is a wasteful number, since it uses less digits than its factorization.

3872318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1936161.

The product of its digits is 8064, while the sum is 32.

The square root of 3872318 is about 1967.8206219064. The cubic root of 3872318 is about 157.0327869102.

The spelling of 3872318 in words is "three million, eight hundred seventy-two thousand, three hundred eighteen".