4021258 has 16 divisors (see below), whose sum is σ = 6312960. Its totient is φ = 1918800.

The previous prime is 4021249. The next prime is 4021261. The reversal of 4021258 is 8521204.

4021258 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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, 4488 + ... + 5308.

It is an arithmetic number, because the mean of its divisors is an integer number (394560).

Almost surely, 2^4021258 is an apocalyptic number.

4021258 is a deficient number, since it is larger than the sum of its proper divisors (2291702).

4021258 is a wasteful number, since it uses less digits than its factorization.

4021258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 933.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 4021258 is about 2005.3074577231. The cubic root of 4021258 is about 159.0208165987.

The spelling of 4021258 in words is "four million, twenty-one thousand, two hundred fifty-eight".