42484289 has 4 divisors (see below), whose sum is σ = 44331456. Its totient is φ = 40637124.

The previous prime is 42484283. The next prime is 42484313. The reversal of 42484289 is 98248424.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42484289 - 2⁸ = 42484033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42484283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 923549 + ... + 923594.

It is an arithmetic number, because the mean of its divisors is an integer number (11082864).

Almost surely, 2^42484289 is an apocalyptic number.

It is an amenable number.

42484289 is a deficient number, since it is larger than the sum of its proper divisors (1847167).

42484289 is a wasteful number, since it uses less digits than its factorization.

42484289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1847166.

The product of its digits is 147456, while the sum is 41.

The square root of 42484289 is about 6517.9973151268. The cubic root of 42484289 is about 348.9335949169.

The spelling of 42484289 in words is "forty-two million, four hundred eighty-four thousand, two hundred eighty-nine".