3916973 has 4 divisors (see below), whose sum is σ = 3933468. Its totient is φ = 3900480.

The previous prime is 3916921. The next prime is 3916981. The reversal of 3916973 is 3796193.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2829124 + 1087849 = 1682^2 + 1043^2 .

It is a cyclic number.

It is not a de Polignac number, because 3916973 - 2¹² = 3912877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3916903) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 7886 + ... + 8367.

It is an arithmetic number, because the mean of its divisors is an integer number (983367).

Almost surely, 2^3916973 is an apocalyptic number.

It is an amenable number.

3916973 is a deficient number, since it is larger than the sum of its proper divisors (16495).

3916973 is a wasteful number, since it uses less digits than its factorization.

3916973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16494.

The product of its digits is 30618, while the sum is 38.

The square root of 3916973 is about 1979.1344067546. The cubic root of 3916973 is about 157.6341076643.

The spelling of 3916973 in words is "three million, nine hundred sixteen thousand, nine hundred seventy-three".