42846579 has 24 divisors (see below), whose sum is σ = 65914992. Its totient is φ = 26726400.

The previous prime is 42846569. The next prime is 42846607. The reversal of 42846579 is 97564824.

It is a happy number.

It is not a de Polignac number, because 42846579 - 2⁷ = 42846451 is a prime.

It is a nialpdrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (42846569) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28804 + ... + 30254.

It is an arithmetic number, because the mean of its divisors is an integer number (2746458).

Almost surely, 2^42846579 is an apocalyptic number.

42846579 is a deficient number, since it is larger than the sum of its proper divisors (23068413).

42846579 is a wasteful number, since it uses less digits than its factorization.

42846579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1667 (or 1664 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 42846579 is about 6545.7298294384. The cubic root of 42846579 is about 349.9226468511.

The spelling of 42846579 in words is "forty-two million, eight hundred forty-six thousand, five hundred seventy-nine".