3888722 has 4 divisors (see below), whose sum is σ = 5833086. Its totient is φ = 1944360.

The previous prime is 3888721. The next prime is 3888761. The reversal of 3888722 is 2278883.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2278883 = 401 ⋅5683.

It can be written as a sum of positive squares in only one way, i.e., 2825761 + 1062961 = 1681^2 + 1031^2 .

It is not an unprimeable number, because it can be changed into a prime (3888721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 972179 + ... + 972182.

Almost surely, 2^3888722 is an apocalyptic number.

3888722 is a deficient number, since it is larger than the sum of its proper divisors (1944364).

3888722 is a wasteful number, since it uses less digits than its factorization.

3888722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1944363.

The product of its digits is 43008, while the sum is 38.

The square root of 3888722 is about 1971.9842798562. The cubic root of 3888722 is about 157.2542164621.

The spelling of 3888722 in words is "three million, eight hundred eighty-eight thousand, seven hundred twenty-two".