847089342 has 24 divisors (see below), whose sum is σ = 2002211640. Its totient is φ = 256693680.

The previous prime is 847089337. The next prime is 847089343. The reversal of 847089342 is 243980748.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (847089343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2138917 + ... + 2139312.

It is an arithmetic number, because the mean of its divisors is an integer number (83425485).

Almost surely, 2^847089342 is an apocalyptic number.

847089342 is an abundant number, since it is smaller than the sum of its proper divisors (1155122298).

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

847089342 is a wasteful number, since it uses less digits than its factorization.

847089342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4278248 (or 4278245 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 847089342 is about 29104.7992949616. The cubic root of 847089342 is about 946.1857560067.

The spelling of 847089342 in words is "eight hundred forty-seven million, eighty-nine thousand, three hundred forty-two".