854220490 has 8 divisors (see below), whose sum is σ = 1537596900. Its totient is φ = 341688192.

The previous prime is 854220473. The next prime is 854220541. The reversal of 854220490 is 94022458.

It can be written as a sum of positive squares in 2 ways, for example, as 823517809 + 30702681 = 28697^2 + 5541^2 .

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, 42711015 + ... + 42711034.

Almost surely, 2^854220490 is an apocalyptic number.

854220490 is a deficient number, since it is larger than the sum of its proper divisors (683376410).

854220490 is a wasteful number, since it uses less digits than its factorization.

854220490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85422056.

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 854220490 is about 29227.0506551722. The cubic root of 854220490 is about 948.8334675210.

The spelling of 854220490 in words is "eight hundred fifty-four million, two hundred twenty thousand, four hundred ninety".