854984666 has 8 divisors (see below), whose sum is σ = 1294928544. Its totient is φ = 423341820.

The previous prime is 854984657. The next prime is 854984693. The reversal of 854984666 is 666489458.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2075000 + ... + 2075411.

It is an arithmetic number, because the mean of its divisors is an integer number (161866068).

Almost surely, 2^854984666 is an apocalyptic number.

854984666 is a deficient number, since it is larger than the sum of its proper divisors (439943878).

854984666 is a wasteful number, since it uses less digits than its factorization.

854984666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4150516.

The product of its digits is 9953280, while the sum is 56.

The square root of 854984666 is about 29240.1208273837. The cubic root of 854984666 is about 949.1163217586.

The spelling of 854984666 in words is "eight hundred fifty-four million, nine hundred eighty-four thousand, six hundred sixty-six".