3930528 has 48 divisors (see below), whose sum is σ = 11793600. Its totient is φ = 1122816.

The previous prime is 3930527. The next prime is 3930529. The reversal of 3930528 is 8250393.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3930527) and next prime (3930529).

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 3930495 and 3930504.

It is not an unprimeable number, because it can be changed into a prime (3930527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2253 + ... + 3596.

It is an arithmetic number, because the mean of its divisors is an integer number (245700).

Almost surely, 2^3930528 is an apocalyptic number.

It is an amenable number.

3930528 is an abundant number, since it is smaller than the sum of its proper divisors (7863072).

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

3930528 is a wasteful number, since it uses less digits than its factorization.

3930528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5869 (or 5861 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 3930528 is about 1982.5559260712. Note that the first 3 decimals coincide. The cubic root of 3930528 is about 157.8157334827.

The spelling of 3930528 in words is "three million, nine hundred thirty thousand, five hundred twenty-eight".