854290009 has 4 divisors (see below), whose sum is σ = 859531216. Its totient is φ = 849048804.

The previous prime is 854289991. The next prime is 854290067. The reversal of 854290009 is 900092458.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 854290009 - 2¹⁷ = 854158937 is a prime.

It is a super-2 number, since 2×854290009² = 1459622838954440162, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 854290009.

It is not an unprimeable number, because it can be changed into a prime (854290109) 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, 2620359 + ... + 2620684.

It is an arithmetic number, because the mean of its divisors is an integer number (214882804).

Almost surely, 2^854290009 is an apocalyptic number.

It is an amenable number.

854290009 is a deficient number, since it is larger than the sum of its proper divisors (5241207).

854290009 is a wasteful number, since it uses less digits than its factorization.

854290009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5241206.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 854290009 is about 29228.2399230607. The cubic root of 854290009 is about 948.8592064511.

The spelling of 854290009 in words is "eight hundred fifty-four million, two hundred ninety thousand, nine".