3928117 has 8 divisors (see below), whose sum is σ = 4188800. Its totient is φ = 3672864.

The previous prime is 3928109. The next prime is 3928123. The reversal of 3928117 is 7118293.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3928117 - 2³ = 3928109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3928157) 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 7 ways as a sum of consecutive naturals, for example, 193 + ... + 2809.

It is an arithmetic number, because the mean of its divisors is an integer number (523600).

Almost surely, 2^3928117 is an apocalyptic number.

It is an amenable number.

3928117 is a deficient number, since it is larger than the sum of its proper divisors (260683).

3928117 is a wasteful number, since it uses less digits than its factorization.

3928117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2715.

The product of its digits is 3024, while the sum is 31.

The square root of 3928117 is about 1981.9477793322. The cubic root of 3928117 is about 157.7834586367.

The spelling of 3928117 in words is "three million, nine hundred twenty-eight thousand, one hundred seventeen".