893409009 has 4 divisors (see below), whose sum is σ = 1191212016. Its totient is φ = 595606004.

The previous prime is 893409001. The next prime is 893409029. The reversal of 893409009 is 900904398.

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 893409009 - 2³ = 893409001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (893409001) 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, 148901499 + ... + 148901504.

It is an arithmetic number, because the mean of its divisors is an integer number (297803004).

Almost surely, 2^893409009 is an apocalyptic number.

It is an amenable number.

893409009 is a deficient number, since it is larger than the sum of its proper divisors (297803007).

893409009 is a wasteful number, since it uses less digits than its factorization.

893409009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297803006.

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 893409009 is about 29889.9482936990. The cubic root of 893409009 is about 963.1267440788.

The spelling of 893409009 in words is "eight hundred ninety-three million, four hundred nine thousand, nine".