920984539 has 4 divisors (see below), whose sum is σ = 921052440. Its totient is φ = 920916640.

The previous prime is 920984521. The next prime is 920984567. The reversal of 920984539 is 935489029.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 920984539 - 2¹⁹ = 920460251 is a prime.

It is a Smith number, since the sum of its digits (49) 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 junction number, because it is equal to n+sod(n) for n = 920984492 and 920984501.

It is not an unprimeable number, because it can be changed into a prime (920981539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5854 + ... + 43315.

It is an arithmetic number, because the mean of its divisors is an integer number (230263110).

Almost surely, 2^920984539 is an apocalyptic number.

920984539 is a deficient number, since it is larger than the sum of its proper divisors (67901).

920984539 is a wasteful number, since it uses less digits than its factorization.

920984539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67900.

The product of its (nonzero) digits is 699840, while the sum is 49.

The square root of 920984539 is about 30347.7270812824. The cubic root of 920984539 is about 972.9356415298.

The spelling of 920984539 in words is "nine hundred twenty million, nine hundred eighty-four thousand, five hundred thirty-nine".