854897399 has 8 divisors (see below), whose sum is σ = 867352080. Its totient is φ = 842533056.

The previous prime is 854897389. The next prime is 854897401. The reversal of 854897399 is 993798458.

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

It is a cyclic number.

It is not a de Polignac number, because 854897399 - 2⁴ = 854897383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (854897339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3404 + ... + 41489.

It is an arithmetic number, because the mean of its divisors is an integer number (108419010).

Almost surely, 2^854897399 is an apocalyptic number.

854897399 is a deficient number, since it is larger than the sum of its proper divisors (12454681).

854897399 is a wasteful number, since it uses less digits than its factorization.

854897399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45169.

The product of its digits is 19595520, while the sum is 62.

The square root of 854897399 is about 29238.6285417083. The cubic root of 854897399 is about 949.0840290343.

The spelling of 854897399 in words is "eight hundred fifty-four million, eight hundred ninety-seven thousand, three hundred ninety-nine".