3939285 has 16 divisors (see below), whose sum is σ = 7203456. Its totient is φ = 1800768.

The previous prime is 3939277. The next prime is 3939337. The reversal of 3939285 is 5829393.

It is not a de Polignac number, because 3939285 - 2³ = 3939277 is a prime.

It is a super-2 number, since 2×3939285² = 31035932622450, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 18654 + ... + 18863.

It is an arithmetic number, because the mean of its divisors is an integer number (450216).

Almost surely, 2^3939285 is an apocalyptic number.

3939285 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3939285 is a deficient number, since it is larger than the sum of its proper divisors (3264171).

3939285 is a wasteful number, since it uses less digits than its factorization.

3939285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37532.

The product of its digits is 58320, while the sum is 39.

The square root of 3939285 is about 1984.7632100581. The cubic root of 3939285 is about 157.9328481395.

It can be divided in two parts, 3939 and 285, that added together give a palindrome (4224).

The spelling of 3939285 in words is "three million, nine hundred thirty-nine thousand, two hundred eighty-five".