3927385 has 24 divisors (see below), whose sum is σ = 5934528. Its totient is φ = 2424000.

The previous prime is 3927377. The next prime is 3927409. The reversal of 3927385 is 5837293.

It is not a de Polignac number, because 3927385 - 2³ = 3927377 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38835 + ... + 38935.

It is an arithmetic number, because the mean of its divisors is an integer number (247272).

Almost surely, 2^3927385 is an apocalyptic number.

3927385 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3927385 is a deficient number, since it is larger than the sum of its proper divisors (2007143).

3927385 is a wasteful number, since it uses less digits than its factorization.

3927385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225 (or 124 counting only the distinct ones).

The product of its digits is 45360, while the sum is 37.

The square root of 3927385 is about 1981.7631039052. The cubic root of 3927385 is about 157.7736571069.

It can be divided in two parts, 392 and 7385, that added together give a palindrome (7777).

The spelling of 3927385 in words is "three million, nine hundred twenty-seven thousand, three hundred eighty-five".