3722028 has 12 divisors (see below), whose sum is σ = 8684760. Its totient is φ = 1240672.

The previous prime is 3722027. The next prime is 3722029. The reversal of 3722028 is 8202273.

3722028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3722027) and next prime (3722029).

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 3721989 and 3722007.

It is not an unprimeable number, because it can be changed into a prime (3722027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155073 + ... + 155096.

It is an arithmetic number, because the mean of its divisors is an integer number (723730).

Almost surely, 2^3722028 is an apocalyptic number.

It is an amenable number.

3722028 is an abundant number, since it is smaller than the sum of its proper divisors (4962732).

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

3722028 is a wasteful number, since it uses less digits than its factorization.

3722028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310176 (or 310174 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 3722028 is about 1929.2558150748. The cubic root of 3722028 is about 154.9743696781.

The spelling of 3722028 in words is "three million, seven hundred twenty-two thousand, twenty-eight".