42584399 has 8 divisors (see below), whose sum is σ = 50029392. Its totient is φ = 35735040.

The previous prime is 42584393. The next prime is 42584407. The reversal of 42584399 is 99348524.

42584399 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a de Polignac number, because none of the positive numbers 2^k-42584399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42584393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148754 + ... + 149039.

It is an arithmetic number, because the mean of its divisors is an integer number (6253674).

Almost surely, 2^42584399 is an apocalyptic number.

42584399 is a deficient number, since it is larger than the sum of its proper divisors (7444993).

42584399 is a wasteful number, since it uses less digits than its factorization.

42584399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297817.

The product of its digits is 311040, while the sum is 44.

The square root of 42584399 is about 6525.6723025294. The cubic root of 42584399 is about 349.2074556871.

The spelling of 42584399 in words is "forty-two million, five hundred eighty-four thousand, three hundred ninety-nine".