920090886 has 32 divisors (see below), whose sum is σ = 2161893888. Its totient is φ = 257367840.

The previous prime is 920090879. The next prime is 920090887. The reversal of 920090886 is 688090029.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (920090887) 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 15 ways as a sum of consecutive naturals, for example, 535326 + ... + 537041.

It is an arithmetic number, because the mean of its divisors is an integer number (67559184).

Almost surely, 2^920090886 is an apocalyptic number.

920090886 is an abundant number, since it is smaller than the sum of its proper divisors (1241803002).

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

920090886 is a wasteful number, since it uses less digits than its factorization.

920090886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1072396.

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 920090886 is about 30332.9999505489. Note that the first 4 decimals coincide. The cubic root of 920090886 is about 972.6208522324.

The spelling of 920090886 in words is "nine hundred twenty million, ninety thousand, eight hundred eighty-six".