3721959 has 6 divisors (see below), whose sum is σ = 5376176. Its totient is φ = 2481300.

The previous prime is 3721957. The next prime is 3721973. The reversal of 3721959 is 9591273.

It is not a de Polignac number, because 3721959 - 2¹ = 3721957 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 (3721957) 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 5 ways as a sum of consecutive naturals, for example, 206767 + ... + 206784.

Almost surely, 2^3721959 is an apocalyptic number.

3721959 is a deficient number, since it is larger than the sum of its proper divisors (1654217).

3721959 is a wasteful number, since it uses less digits than its factorization.

3721959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413557 (or 413554 counting only the distinct ones).

The product of its digits is 17010, while the sum is 36.

The square root of 3721959 is about 1929.2379324490. The cubic root of 3721959 is about 154.9734120194.

The spelling of 3721959 in words is "three million, seven hundred twenty-one thousand, nine hundred fifty-nine".