3906528 has 24 divisors (see below), whose sum is σ = 10254888. Its totient is φ = 1302144.

The previous prime is 3906493. The next prime is 3906541. The reversal of 3906528 is 8256093.

It is a happy number.

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

It is a super-2 number, since 2×3906528² = 30521922029568, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 20251 + ... + 20442.

It is an arithmetic number, because the mean of its divisors is an integer number (427287).

Almost surely, 2^3906528 is an apocalyptic number.

It is an amenable number.

3906528 is an abundant number, since it is smaller than the sum of its proper divisors (6348360).

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

3906528 is a wasteful number, since it uses less digits than its factorization.

3906528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40706 (or 40698 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 3906528 is about 1976.4938654091. The cubic root of 3906528 is about 157.4938672341.

It can be divided in two parts, 39065 and 28, that added together give a palindrome (39093).

The spelling of 3906528 in words is "three million, nine hundred six thousand, five hundred twenty-eight".