442684579 has 4 divisors (see below), whose sum is σ = 445504384. Its totient is φ = 439864776.

The previous prime is 442684549. The next prime is 442684589. The reversal of 442684579 is 975486244.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 442684579 - 2¹¹ = 442682531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442684549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1409667 + ... + 1409980.

It is an arithmetic number, because the mean of its divisors is an integer number (111376096).

Almost surely, 2^442684579 is an apocalyptic number.

442684579 is a deficient number, since it is larger than the sum of its proper divisors (2819805).

442684579 is a wasteful number, since it uses less digits than its factorization.

442684579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2819804.

The product of its digits is 1935360, while the sum is 49.

The square root of 442684579 is about 21040.0707936071. The cubic root of 442684579 is about 762.1342244201.

The spelling of 442684579 in words is "four hundred forty-two million, six hundred eighty-four thousand, five hundred seventy-nine".