923620 has 12 divisors (see below), whose sum is σ = 1939644. Its totient is φ = 369440.

The previous prime is 923617. The next prime is 923641. The reversal of 923620 is 26329.

It can be written as a sum of positive squares in 2 ways, for example, as 541696 + 381924 = 736^2 + 618^2 .

It is a junction number, because it is equal to n+sod(n) for n = 923591 and 923600.

It is a congruent number.

It is an unprimeable number.

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, 23071 + ... + 23110.

It is an arithmetic number, because the mean of its divisors is an integer number (161637).

2⁹²³⁶²⁰ is an apocalyptic number.

It is an amenable number.

923620 is an abundant number, since it is smaller than the sum of its proper divisors (1016024).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

923620 is a wasteful number, since it uses less digits than its factorization.

923620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46190 (or 46188 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 923620 is about 961.0515074646. The cubic root of 923620 is about 97.3862798609.

Adding to 923620 its reverse (26329), we get a palindrome (949949).

The spelling of 923620 in words is "nine hundred twenty-three thousand, six hundred twenty".