920604885 has 8 divisors (see below), whose sum is σ = 1472967840. Its totient is φ = 490989264.

The previous prime is 920604851. The next prime is 920604889. The reversal of 920604885 is 588406029.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 920604885 - 2¹⁸ = 920342741 is a prime.

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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30686815 + ... + 30686844.

It is an arithmetic number, because the mean of its divisors is an integer number (184120980).

Almost surely, 2^920604885 is an apocalyptic number.

It is an amenable number.

920604885 is a deficient number, since it is larger than the sum of its proper divisors (552362955).

920604885 is a wasteful number, since it uses less digits than its factorization.

920604885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61373667.

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 920604885 is about 30341.4713717051. The cubic root of 920604885 is about 972.8019332861.

The spelling of 920604885 in words is "nine hundred twenty million, six hundred four thousand, eight hundred eighty-five".