854609993 has 8 divisors (see below), whose sum is σ = 874891776. Its totient is φ = 834346800.

The previous prime is 854609981. The next prime is 854610013. The reversal of 854609993 is 399906458.

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 854609993 - 2⁶ = 854609929 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (854609923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142883 + ... + 148743.

It is an arithmetic number, because the mean of its divisors is an integer number (109361472).

Almost surely, 2^854609993 is an apocalyptic number.

It is an amenable number.

854609993 is a deficient number, since it is larger than the sum of its proper divisors (20281783).

854609993 is a wasteful number, since it uses less digits than its factorization.

854609993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9295.

The product of its (nonzero) digits is 2099520, while the sum is 53.

The square root of 854609993 is about 29233.7132947561. The cubic root of 854609993 is about 948.9776603176.

The spelling of 854609993 in words is "eight hundred fifty-four million, six hundred nine thousand, nine hundred ninety-three".