920084889 has 16 divisors (see below), whose sum is σ = 1267515392. Its totient is φ = 593299728.

The previous prime is 920084849. The next prime is 920084903. The reversal of 920084889 is 988480029.

It is not a de Polignac number, because 920084889 - 2⁹ = 920084377 is a prime.

It is a super-2 number, since 2×920084889² = 1693112405932284642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (920084849) 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, 21337 + ... + 47910.

It is an arithmetic number, because the mean of its divisors is an integer number (79219712).

Almost surely, 2^920084889 is an apocalyptic number.

It is an amenable number.

920084889 is a deficient number, since it is larger than the sum of its proper divisors (347430503).

920084889 is a wasteful number, since it uses less digits than its factorization.

920084889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69396.

The product of its (nonzero) digits is 331776, while the sum is 48.

The square root of 920084889 is about 30332.9010976530. The cubic root of 920084889 is about 972.6187391006.

The spelling of 920084889 in words is "nine hundred twenty million, eighty-four thousand, eight hundred eighty-nine".