3721458 has 16 divisors (see below), whose sum is σ = 8015616. Its totient is φ = 1145040.

The previous prime is 3721451. The next prime is 3721463. The reversal of 3721458 is 8541273.

3721458 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3721451) 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 7 ways as a sum of consecutive naturals, for example, 23778 + ... + 23933.

It is an arithmetic number, because the mean of its divisors is an integer number (500976).

Almost surely, 2^3721458 is an apocalyptic number.

3721458 is an abundant number, since it is smaller than the sum of its proper divisors (4294158).

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

3721458 is a wasteful number, since it uses less digits than its factorization.

3721458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47729.

The product of its digits is 6720, while the sum is 30.

The square root of 3721458 is about 1929.1080840637. The cubic root of 3721458 is about 154.9664582295.

It can be divided in two parts, 372 and 1458, that added together give a triangular number (1830 = T₆₀).

The spelling of 3721458 in words is "three million, seven hundred twenty-one thousand, four hundred fifty-eight".