858890196 has 48 divisors (see below), whose sum is σ = 2323574400. Its totient is φ = 273848256.

The previous prime is 858890191. The next prime is 858890203. The reversal of 858890196 is 691098858.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (858890191) 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, 170401 + ... + 175368.

It is an arithmetic number, because the mean of its divisors is an integer number (48407800).

Almost surely, 2^858890196 is an apocalyptic number.

It is an amenable number.

858890196 is an abundant number, since it is smaller than the sum of its proper divisors (1464684204).

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

858890196 is a wasteful number, since it uses less digits than its factorization.

858890196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345805 (or 345797 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 54.

The square root of 858890196 is about 29306.8284875727. The cubic root of 858890196 is about 950.5592998333.

The spelling of 858890196 in words is "eight hundred fifty-eight million, eight hundred ninety thousand, one hundred ninety-six".