4509842 has 8 divisors (see below), whose sum is σ = 6879600. Its totient is φ = 2216644.

The previous prime is 4509793. The next prime is 4509851. The reversal of 4509842 is 2489054.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 4509799 and 4509808.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18992 + ... + 19227.

It is an arithmetic number, because the mean of its divisors is an integer number (859950).

Almost surely, 2^4509842 is an apocalyptic number.

4509842 is a deficient number, since it is larger than the sum of its proper divisors (2369758).

4509842 is a wasteful number, since it uses less digits than its factorization.

4509842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38280.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 4509842 is about 2123.6388581866. The cubic root of 4509842 is about 165.2166361662.

The spelling of 4509842 in words is "four million, five hundred nine thousand, eight hundred forty-two".