4018258 has 16 divisors (see below), whose sum is σ = 6188544. Its totient is φ = 1956240.

The previous prime is 4018249. The next prime is 4018277. The reversal of 4018258 is 8528104.

It is a super-2 number, since 2×4018258² = 32292794709128, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20943 + ... + 21133.

It is an arithmetic number, because the mean of its divisors is an integer number (386784).

Almost surely, 2^4018258 is an apocalyptic number.

4018258 is a deficient number, since it is larger than the sum of its proper divisors (2170286).

4018258 is a wasteful number, since it uses less digits than its factorization.

4018258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417.

The product of its (nonzero) digits is 2560, while the sum is 28.

The square root of 4018258 is about 2004.5593031886. The cubic root of 4018258 is about 158.9812617186.

The spelling of 4018258 in words is "four million, eighteen thousand, two hundred fifty-eight".