851446 has 12 divisors (see below), whose sum is σ = 1322676. Its totient is φ = 411060.

The previous prime is 851423. The next prime is 851449. The reversal of 851446 is 644158.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (851449) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1701 + ... + 2143.

It is an arithmetic number, because the mean of its divisors is an integer number (110223).

2⁸⁵¹⁴⁴⁶ is an apocalyptic number.

851446 is a deficient number, since it is larger than the sum of its proper divisors (471230).

851446 is a wasteful number, since it uses less digits than its factorization.

851446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507 (or 476 counting only the distinct ones).

The product of its digits is 3840, while the sum is 28.

The square root of 851446 is about 922.7383161005. The cubic root of 851446 is about 94.7805089686.

The spelling of 851446 in words is "eight hundred fifty-one thousand, four hundred forty-six".