855190589 has 12 divisors (see below), whose sum is σ = 984625920. Its totient is φ = 736524360.

The previous prime is 855190561. The next prime is 855190591. The reversal of 855190589 is 985091558.

It is a de Polignac number, because none of the positive numbers 2^k-855190589 is a prime.

It is a super-3 number, since 3×855190589³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855190519) 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 11 ways as a sum of consecutive naturals, for example, 103709 + ... + 111650.

It is an arithmetic number, because the mean of its divisors is an integer number (82052160).

Almost surely, 2^855190589 is an apocalyptic number.

It is an amenable number.

855190589 is a deficient number, since it is larger than the sum of its proper divisors (129435331).

855190589 is a wasteful number, since it uses less digits than its factorization.

855190589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215408 (or 215389 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 50.

The square root of 855190589 is about 29243.6418559659. The cubic root of 855190589 is about 949.1925138430.

The spelling of 855190589 in words is "eight hundred fifty-five million, one hundred ninety thousand, five hundred eighty-nine".