3872622 has 32 divisors (see below), whose sum is σ = 8426880. Its totient is φ = 1179360.

The previous prime is 3872591. The next prime is 3872647. The reversal of 3872622 is 2262783.

It is a self number, because there is not a number n which added to its sum of digits gives 3872622.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10029 + ... + 10407.

It is an arithmetic number, because the mean of its divisors is an integer number (263340).

Almost surely, 2^3872622 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3872622, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4213440).

3872622 is an abundant number, since it is smaller than the sum of its proper divisors (4554258).

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

3872622 is a wasteful number, since it uses less digits than its factorization.

3872622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528.

The product of its digits is 8064, while the sum is 30.

The square root of 3872622 is about 1967.8978632033. The cubic root of 3872622 is about 157.0368961387.

The spelling of 3872622 in words is "three million, eight hundred seventy-two thousand, six hundred twenty-two".