3868722 has 80 divisors (see below), whose sum is σ = 10245312. Its totient is φ = 1075680.

The previous prime is 3868721. The next prime is 3868729. The reversal of 3868722 is 2278683.

It is a happy number.

It is a d-powerful number, because it can be written as 3¹⁰ + 8⁵ + 6⁸ + 8⁷ + 7 + 2 + 2⁷ .

It is not an unprimeable number, because it can be changed into a prime (3868721) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 23083 + ... + 23249.

Almost surely, 2^3868722 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3868722, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5122656).

3868722 is an abundant number, since it is smaller than the sum of its proper divisors (6376590).

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

3868722 is a wasteful number, since it uses less digits than its factorization.

3868722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205 (or 196 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 3868722 is about 1966.9067085147. The cubic root of 3868722 is about 156.9841627364.

The spelling of 3868722 in words is "three million, eight hundred sixty-eight thousand, seven hundred twenty-two".