42846493 has 4 divisors (see below), whose sum is σ = 44709408. Its totient is φ = 40983580.

The previous prime is 42846487. The next prime is 42846497. The reversal of 42846493 is 39464824.

42846493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 42846493 - 2²¹ = 40749341 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42846497) 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 3 ways as a sum of consecutive naturals, for example, 931423 + ... + 931468.

It is an arithmetic number, because the mean of its divisors is an integer number (11177352).

Almost surely, 2^42846493 is an apocalyptic number.

It is an amenable number.

42846493 is a deficient number, since it is larger than the sum of its proper divisors (1862915).

42846493 is a wasteful number, since it uses less digits than its factorization.

42846493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1862914.

The product of its digits is 165888, while the sum is 40.

The square root of 42846493 is about 6545.7232602670. The cubic root of 42846493 is about 349.9224127339.

The spelling of 42846493 in words is "forty-two million, eight hundred forty-six thousand, four hundred ninety-three".