3945528 has 24 divisors (see below), whose sum is σ = 10686000. Its totient is φ = 1315152.

The previous prime is 3945527. The next prime is 3945607. The reversal of 3945528 is 8255493.

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

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 = 3945492 and 3945501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3945527) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27328 + ... + 27471.

It is an arithmetic number, because the mean of its divisors is an integer number (445250).

Almost surely, 2^3945528 is an apocalyptic number.

It is an amenable number.

3945528 is an abundant number, since it is smaller than the sum of its proper divisors (6740472).

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

3945528 is a wasteful number, since it uses less digits than its factorization.

3945528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54811 (or 54804 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 3945528 is about 1986.3353191241. The cubic root of 3945528 is about 158.0162350459.

The spelling of 3945528 in words is "three million, nine hundred forty-five thousand, five hundred twenty-eight".