4320258 has 16 divisors (see below), whose sum is σ = 9095520. Its totient is φ = 1364256.

The previous prime is 4320257. The next prime is 4320269. The reversal of 4320258 is 8520234.

It is not an unprimeable number, because it can be changed into a prime (4320257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18835 + ... + 19062.

It is an arithmetic number, because the mean of its divisors is an integer number (568470).

Almost surely, 2^4320258 is an apocalyptic number.

4320258 is an abundant number, since it is smaller than the sum of its proper divisors (4775262).

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

4320258 is a wasteful number, since it uses less digits than its factorization.

4320258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37921.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 4320258 is about 2078.5230333100. The cubic root of 4320258 is about 162.8682991522.

Subtracting from 4320258 its sum of digits (24), we obtain a palindrome (4320234).

It can be divided in two parts, 43 and 20258, that added together give a triangular number (20301 = T₂₀₁).

The spelling of 4320258 in words is "four million, three hundred twenty thousand, two hundred fifty-eight".