3913722 has 12 divisors (see below), whose sum is σ = 8479770. Its totient is φ = 1304568.

The previous prime is 3913717. The next prime is 3913727. The reversal of 3913722 is 2273193.

It is an interprime number because it is at equal distance from previous prime (3913717) and next prime (3913727).

It can be written as a sum of positive squares in only one way, i.e., 2792241 + 1121481 = 1671^2 + 1059^2 .

It is a plaindrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (3913727) 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, 108697 + ... + 108732.

Almost surely, 2^3913722 is an apocalyptic number.

3913722 is an abundant number, since it is smaller than the sum of its proper divisors (4566048).

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

3913722 is a wasteful number, since it uses less digits than its factorization.

3913722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217437 (or 217434 counting only the distinct ones).

The product of its digits is 2268, while the sum is 27.

The square root of 3913722 is about 1978.3129176144. The cubic root of 3913722 is about 157.5904846652.

The spelling of 3913722 in words is "three million, nine hundred thirteen thousand, seven hundred twenty-two".