920893 has 4 divisors (see below), whose sum is σ = 945820. Its totient is φ = 895968.

The previous prime is 920891. The next prime is 920921. The reversal of 920893 is 398029.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 338724 + 582169 = 582^2 + 763^2 .

It is a cyclic number.

It is not a de Polignac number, because 920893 - 2¹ = 920891 is a prime.

It is a Duffinian number.

920893 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (920891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12408 + ... + 12481.

It is an arithmetic number, because the mean of its divisors is an integer number (236455).

2⁹²⁰⁸⁹³ is an apocalyptic number.

It is an amenable number.

920893 is a deficient number, since it is larger than the sum of its proper divisors (24927).

920893 is a wasteful number, since it uses less digits than its factorization.

920893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24926.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 920893 is about 959.6317001850. The cubic root of 920893 is about 97.2903406278.

It can be divided in two parts, 9 and 20893, that added together give a palindrome (20902).

The spelling of 920893 in words is "nine hundred twenty thousand, eight hundred ninety-three".