859199442 has 16 divisors (see below), whose sum is σ = 1722688992. Its totient is φ = 285684800.

The previous prime is 859199423. The next prime is 859199489. The reversal of 859199442 is 244991958.

It is a super-2 number, since 2×859199442² = 1476447362266222728, which contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 176148 + ... + 180959.

It is an arithmetic number, because the mean of its divisors is an integer number (107668062).

Almost surely, 2^859199442 is an apocalyptic number.

859199442 is an abundant number, since it is smaller than the sum of its proper divisors (863489550).

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

859199442 is a wasteful number, since it uses less digits than its factorization.

859199442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357513.

The product of its digits is 933120, while the sum is 51.

The square root of 859199442 is about 29312.1040186473. The cubic root of 859199442 is about 950.6733700562.

The spelling of 859199442 in words is "eight hundred fifty-nine million, one hundred ninety-nine thousand, four hundred forty-two".