920604884 has 24 divisors (see below), whose sum is σ = 1683814440. Its totient is φ = 439842816.

The previous prime is 920604851. The next prime is 920604889. The reversal of 920604884 is 488406029.

It can be written as a sum of positive squares in 4 ways, for example, as 4937284 + 915667600 = 2222^2 + 30260^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (920604889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29657 + ... + 52160.

It is an arithmetic number, because the mean of its divisors is an integer number (70158935).

Almost surely, 2^920604884 is an apocalyptic number.

It is an amenable number.

920604884 is a deficient number, since it is larger than the sum of its proper divisors (763209556).

920604884 is a wasteful number, since it uses less digits than its factorization.

920604884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81947 (or 81945 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 41.

The square root of 920604884 is about 30341.4713552260. The cubic root of 920604884 is about 972.8019329339.

The spelling of 920604884 in words is "nine hundred twenty million, six hundred four thousand, eight hundred eighty-four".