3722928 has 60 divisors (see below), whose sum is σ = 10587864. Its totient is φ = 1126400.

The previous prime is 3722921. The next prime is 3722947. The reversal of 3722928 is 8292273.

3722928 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (3722921) 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 11 ways as a sum of consecutive naturals, for example, 5488 + ... + 6128.

Almost surely, 2^3722928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3722928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5293932).

3722928 is an abundant number, since it is smaller than the sum of its proper divisors (6864936).

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

3722928 is a wasteful number, since it uses less digits than its factorization.

3722928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674 (or 657 counting only the distinct ones).

The product of its digits is 12096, while the sum is 33.

The square root of 3722928 is about 1929.4890515367. The cubic root of 3722928 is about 154.9868597948.

The spelling of 3722928 in words is "three million, seven hundred twenty-two thousand, nine hundred twenty-eight".