3928424 has 16 divisors (see below), whose sum is σ = 7409220. Its totient is φ = 1952640.

The previous prime is 3928417. The next prime is 3928429. The reversal of 3928424 is 4248293.

It can be written as a sum of positive squares in 2 ways, for example, as 3928324 + 100 = 1982^2 + 10^2 .

It is not an unprimeable number, because it can be changed into a prime (3928429) 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 3 ways as a sum of consecutive naturals, for example, 92 + ... + 2804.

Almost surely, 2^3928424 is an apocalyptic number.

It is an amenable number.

3928424 is a deficient number, since it is larger than the sum of its proper divisors (3480796).

3928424 is a wasteful number, since it uses less digits than its factorization.

3928424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2900 (or 2896 counting only the distinct ones).

The product of its digits is 13824, while the sum is 32.

The square root of 3928424 is about 1982.0252268828. The cubic root of 3928424 is about 157.7875690251.

The spelling of 3928424 in words is "three million, nine hundred twenty-eight thousand, four hundred twenty-four".