3931002 has 12 divisors (see below), whose sum is σ = 8517210. Its totient is φ = 1310328.

The previous prime is 3931001. The next prime is 3931027. The reversal of 3931002 is 2001393.

It can be written as a sum of positive squares in only one way, i.e., 3381921 + 549081 = 1839^2 + 741^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 218389 = 3931002 / (3 + 9 + 3 + 1 + 0 + 0 + 2).

It is not an unprimeable number, because it can be changed into a prime (3931001) 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 5 ways as a sum of consecutive naturals, for example, 109177 + ... + 109212.

Almost surely, 2^3931002 is an apocalyptic number.

3931002 is an abundant number, since it is smaller than the sum of its proper divisors (4586208).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3931002 is a wasteful number, since it uses less digits than its factorization.

3931002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218397 (or 218394 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 3931002 is about 1982.6754651228. The cubic root of 3931002 is about 157.8220771301.

Adding to 3931002 its reverse (2001393), we get a palindrome (5932395).

The spelling of 3931002 in words is "three million, nine hundred thirty-one thousand, two".