3721953 has 12 divisors (see below), whose sum is σ = 5131824. Its totient is φ = 2399400.

The previous prime is 3721943. The next prime is 3721957. The reversal of 3721953 is 3591273.

3721953 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3721953 - 2¹⁰ = 3720929 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3721953.

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 (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2238 + ... + 3528.

It is an arithmetic number, because the mean of its divisors is an integer number (427652).

Almost surely, 2^3721953 is an apocalyptic number.

It is an amenable number.

3721953 is a deficient number, since it is larger than the sum of its proper divisors (1409871).

3721953 is a wasteful number, since it uses less digits than its factorization.

3721953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1356 (or 1325 counting only the distinct ones).

The product of its digits is 5670, while the sum is 30.

The square root of 3721953 is about 1929.2363774302. The cubic root of 3721953 is about 154.9733287442.

The spelling of 3721953 in words is "three million, seven hundred twenty-one thousand, nine hundred fifty-three".