42893 has 4 divisors (see below), whose sum is σ = 43680. Its totient is φ = 42108.

The previous prime is 42863. The next prime is 42899. The reversal of 42893 is 39824.

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 42893 - 2⁶ = 42829 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a nialpdrome in base 15.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 42893.

It is not an unprimeable number, because it can be changed into a prime (42899) 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, 305 + ... + 422.

It is an arithmetic number, because the mean of its divisors is an integer number (10920).

2⁴²⁸⁹³ is an apocalyptic number.

It is an amenable number.

42893 is a deficient number, since it is larger than the sum of its proper divisors (787).

42893 is an equidigital number, since it uses as much as digits as its factorization.

42893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786.

The product of its digits is 1728, while the sum is 26.

The square root of 42893 is about 207.1062529235. The cubic root of 42893 is about 35.0048972739.

The spelling of 42893 in words is "forty-two thousand, eight hundred ninety-three".