3928527 has 8 divisors (see below), whose sum is σ = 5820080. Its totient is φ = 2619000.

The previous prime is 3928493. The next prime is 3928553. The reversal of 3928527 is 7258293.

It is a happy number.

It is not a de Polignac number, because 3928527 - 2⁷ = 3928399 is a prime.

It is an Ulam number.

It is a Duffinian number.

3928527 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3928491 and 3928500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3928577) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72724 + ... + 72777.

It is an arithmetic number, because the mean of its divisors is an integer number (727510).

Almost surely, 2^3928527 is an apocalyptic number.

3928527 is a deficient number, since it is larger than the sum of its proper divisors (1891553).

3928527 is a wasteful number, since it uses less digits than its factorization.

3928527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145510 (or 145504 counting only the distinct ones).

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

The square root of 3928527 is about 1982.0512102365. The cubic root of 3928527 is about 157.7889480325.

The spelling of 3928527 in words is "three million, nine hundred twenty-eight thousand, five hundred twenty-seven".