3931082 has 4 divisors (see below), whose sum is σ = 5896626. Its totient is φ = 1965540.

The previous prime is 3931051. The next prime is 3931087. The reversal of 3931082 is 2801393.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2801393 = 7 ⋅400199.

It can be written as a sum of positive squares in only one way, i.e., 3916441 + 14641 = 1979^2 + 121^2 .

It is not an unprimeable number, because it can be changed into a prime (3931087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 982769 + ... + 982772.

Almost surely, 2^3931082 is an apocalyptic number.

3931082 is a deficient number, since it is larger than the sum of its proper divisors (1965544).

3931082 is a wasteful number, since it uses less digits than its factorization.

3931082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1965543.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 3931082 is about 1982.6956397793. The cubic root of 3931082 is about 157.8231477376.

The spelling of 3931082 in words is "three million, nine hundred thirty-one thousand, eighty-two".