3928855 has 8 divisors (see below), whose sum is σ = 5388192. Its totient is φ = 2694048.

The previous prime is 3928849. The next prime is 3928913. The reversal of 3928855 is 5588293.

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

It is not a de Polignac number, because 3928855 - 2⁵ = 3928823 is a prime.

It is a super-2 number, since 2×3928855² = 30871803222050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56092 + ... + 56161.

It is an arithmetic number, because the mean of its divisors is an integer number (673524).

Almost surely, 2^3928855 is an apocalyptic number.

3928855 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

3928855 is a deficient number, since it is larger than the sum of its proper divisors (1459337).

3928855 is a wasteful number, since it uses less digits than its factorization.

3928855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112265.

The product of its digits is 86400, while the sum is 40.

The square root of 3928855 is about 1982.1339510739. The cubic root of 3928855 is about 157.7933392742.

The spelling of 3928855 in words is "three million, nine hundred twenty-eight thousand, eight hundred fifty-five".