3721055 has 32 divisors (see below), whose sum is σ = 5322240. Its totient is φ = 2471040.

The previous prime is 3721051. The next prime is 3721063. The reversal of 3721055 is 5501273.

It is not a de Polignac number, because 3721055 - 2² = 3721051 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a self number, because there is not a number n which added to its sum of digits gives 3721055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3721051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28340 + ... + 28470.

It is an arithmetic number, because the mean of its divisors is an integer number (166320).

Almost surely, 2^3721055 is an apocalyptic number.

3721055 is a deficient number, since it is larger than the sum of its proper divisors (1601185).

3721055 is a wasteful number, since it uses less digits than its factorization.

3721055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191.

The product of its (nonzero) digits is 1050, while the sum is 23.

The square root of 3721055 is about 1929.0036288198. The cubic root of 3721055 is about 154.9608642090.

The spelling of 3721055 in words is "three million, seven hundred twenty-one thousand, fifty-five".