4578342 has 16 divisors (see below), whose sum is σ = 9180480. Its totient is φ = 1522152.

The previous prime is 4578313. The next prime is 4578361. The reversal of 4578342 is 2438754.

It is a super-2 number, since 2×4578342² = 41922430937928, which contains 22 as substring.

It is a congruent number.

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, 2409 + ... + 3867.

It is an arithmetic number, because the mean of its divisors is an integer number (573780).

Almost surely, 2^4578342 is an apocalyptic number.

4578342 is an abundant number, since it is smaller than the sum of its proper divisors (4602138).

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

4578342 is a wasteful number, since it uses less digits than its factorization.

4578342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1987.

The product of its digits is 26880, while the sum is 33.

The square root of 4578342 is about 2139.7060545785. The cubic root of 4578342 is about 166.0489283360.

It can be divided in two parts, 45 and 78342, that added together give a palindrome (78387).

The spelling of 4578342 in words is "four million, five hundred seventy-eight thousand, three hundred forty-two".