859228990 has 8 divisors (see below), whose sum is σ = 1546612200. Its totient is φ = 343691592.

The previous prime is 859228969. The next prime is 859228991. The reversal of 859228990 is 99822958.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (859228991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42961440 + ... + 42961459.

It is an arithmetic number, because the mean of its divisors is an integer number (193326525).

Almost surely, 2^859228990 is an apocalyptic number.

859228990 is a deficient number, since it is larger than the sum of its proper divisors (687383210).

859228990 is a wasteful number, since it uses less digits than its factorization.

859228990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85922906.

The product of its (nonzero) digits is 933120, while the sum is 52.

The square root of 859228990 is about 29312.6080381804. The cubic root of 859228990 is about 950.6842678654.

The spelling of 859228990 in words is "eight hundred fifty-nine million, two hundred twenty-eight thousand, nine hundred ninety".