3931485 has 16 divisors (see below), whose sum is σ = 6316800. Its totient is φ = 2088000.

The previous prime is 3931481. The next prime is 3931517. The reversal of 3931485 is 5841393.

It is not a de Polignac number, because 3931485 - 2² = 3931481 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3931481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4860 + ... + 5610.

It is an arithmetic number, because the mean of its divisors is an integer number (394800).

Almost surely, 2^3931485 is an apocalyptic number.

It is an amenable number.

3931485 is a deficient number, since it is larger than the sum of its proper divisors (2385315).

3931485 is a wasteful number, since it uses less digits than its factorization.

3931485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1108.

The product of its digits is 12960, while the sum is 33.

The square root of 3931485 is about 1982.7972664899. The cubic root of 3931485 is about 157.8285407020.

The spelling of 3931485 in words is "three million, nine hundred thirty-one thousand, four hundred eighty-five".