855490306 has 8 divisors (see below), whose sum is σ = 1399893264. Its totient is φ = 388859220.

The previous prime is 855490277. The next prime is 855490309. The reversal of 855490306 is 603094558.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (855490309) 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, 19442940 + ... + 19442983.

It is an arithmetic number, because the mean of its divisors is an integer number (174986658).

Almost surely, 2^855490306 is an apocalyptic number.

855490306 is a deficient number, since it is larger than the sum of its proper divisors (544402958).

855490306 is a wasteful number, since it uses less digits than its factorization.

855490306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38885936.

The product of its (nonzero) digits is 129600, while the sum is 40.

The square root of 855490306 is about 29248.7658884952. The cubic root of 855490306 is about 949.3033881159.

The spelling of 855490306 in words is "eight hundred fifty-five million, four hundred ninety thousand, three hundred six".