3720858 has 16 divisors (see below), whose sum is σ = 7879680. Its totient is φ = 1167296.

The previous prime is 3720853. The next prime is 3720859. The reversal of 3720858 is 8580273.

3720858 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (3720851) 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, 18138 + ... + 18341.

It is an arithmetic number, because the mean of its divisors is an integer number (492480).

Almost surely, 2^3720858 is an apocalyptic number.

3720858 is an abundant number, since it is smaller than the sum of its proper divisors (4158822).

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

3720858 is a wasteful number, since it uses less digits than its factorization.

3720858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36501.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 3720858 is about 1928.9525655132. The cubic root of 3720858 is about 154.9581295160.

The spelling of 3720858 in words is "three million, seven hundred twenty thousand, eight hundred fifty-eight".