847420334 has 4 divisors (see below), whose sum is σ = 1271130504. Its totient is φ = 423710166.

The previous prime is 847420331. The next prime is 847420367. The reversal of 847420334 is 433024748.

847420334 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 847420294 and 847420303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (847420331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211855082 + ... + 211855085.

It is an arithmetic number, because the mean of its divisors is an integer number (317782626).

Almost surely, 2^847420334 is an apocalyptic number.

847420334 is a deficient number, since it is larger than the sum of its proper divisors (423710170).

847420334 is a wasteful number, since it uses less digits than its factorization.

847420334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423710169.

The product of its (nonzero) digits is 64512, while the sum is 35.

The square root of 847420334 is about 29110.4849495847. The cubic root of 847420334 is about 946.3089776153.

The spelling of 847420334 in words is "eight hundred forty-seven million, four hundred twenty thousand, three hundred thirty-four".