3928430 has 32 divisors (see below), whose sum is σ = 7838208. Its totient is φ = 1405600.

The previous prime is 3928429. The next prime is 3928447. The reversal of 3928430 is 348293.

It is a junction number, because it is equal to n+sod(n) for n = 3928393 and 3928402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7559 + ... + 8061.

It is an arithmetic number, because the mean of its divisors is an integer number (244944).

Almost surely, 2^3928430 is an apocalyptic number.

3928430 is a deficient number, since it is larger than the sum of its proper divisors (3909778).

3928430 is a wasteful number, since it uses less digits than its factorization.

3928430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 3928430 is about 1982.0267404856. The cubic root of 3928430 is about 157.7876493563.

The spelling of 3928430 in words is "three million, nine hundred twenty-eight thousand, four hundred thirty".