855321746 has 32 divisors (see below), whose sum is σ = 1443657600. Its totient is φ = 378069120.

The previous prime is 855321721. The next prime is 855321749. The reversal of 855321746 is 647123558.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is not an unprimeable number, because it can be changed into a prime (855321749) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23900 + ... + 47768.

It is an arithmetic number, because the mean of its divisors is an integer number (45114300).

Almost surely, 2^855321746 is an apocalyptic number.

855321746 is a deficient number, since it is larger than the sum of its proper divisors (588335854).

855321746 is a wasteful number, since it uses less digits than its factorization.

855321746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23954.

The product of its digits is 201600, while the sum is 41.

The square root of 855321746 is about 29245.8842574472. The cubic root of 855321746 is about 949.2410359231.

It can be divided in two parts, 85532 and 1746, that added together give a palindrome (87278).

The spelling of 855321746 in words is "eight hundred fifty-five million, three hundred twenty-one thousand, seven hundred forty-six".