3920320 has 28 divisors (see below), whose sum is σ = 9336024. Its totient is φ = 1568000.

The previous prime is 3920311. The next prime is 3920359. The reversal of 3920320 is 230293.

3920320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5806 + ... + 6445.

Almost surely, 2^3920320 is an apocalyptic number.

It is an amenable number.

3920320 is an abundant number, since it is smaller than the sum of its proper divisors (5415704).

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

3920320 is a wasteful number, since it uses less digits than its factorization.

3920320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12268 (or 12258 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 3920320 is about 1979.9797978767. The cubic root of 3920320 is about 157.6789936135.

It can be divided in two parts, 3920 and 320, that multiplied together give a square (1254400 = 1120²).

The spelling of 3920320 in words is "three million, nine hundred twenty thousand, three hundred twenty".