3725928 has 24 divisors (see below), whose sum is σ = 10091250. Its totient is φ = 1241952.

The previous prime is 3725923. The next prime is 3725929. The reversal of 3725928 is 8295273.

It is a happy number.

3725928 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2883204 + 842724 = 1698^2 + 918^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×3725928² = 27765078922368, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 3725892 and 3725901.

It is not an unprimeable number, because it can be changed into a prime (3725923) 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 5 ways as a sum of consecutive naturals, for example, 25803 + ... + 25946.

Almost surely, 2^3725928 is an apocalyptic number.

It is an amenable number.

3725928 is an abundant number, since it is smaller than the sum of its proper divisors (6365322).

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

3725928 is a wasteful number, since it uses less digits than its factorization.

3725928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51761 (or 51754 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 3725928 is about 1930.2663028712. The cubic root of 3725928 is about 155.0284789849.

The spelling of 3725928 in words is "three million, seven hundred twenty-five thousand, nine hundred twenty-eight".