845229806 has 8 divisors (see below), whose sum is σ = 1322968464. Its totient is φ = 404240320.

The previous prime is 845229799. The next prime is 845229809. The reversal of 845229806 is 608922548.

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 (845229809) 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, 9187235 + ... + 9187326.

It is an arithmetic number, because the mean of its divisors is an integer number (165371058).

Almost surely, 2^845229806 is an apocalyptic number.

845229806 is a deficient number, since it is larger than the sum of its proper divisors (477738658).

845229806 is a wasteful number, since it uses less digits than its factorization.

845229806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18374586.

The product of its (nonzero) digits is 276480, while the sum is 44.

The square root of 845229806 is about 29072.8362221507. The cubic root of 845229806 is about 945.4928910690.

The spelling of 845229806 in words is "eight hundred forty-five million, two hundred twenty-nine thousand, eight hundred six".