889599493 has 4 divisors (see below), whose sum is σ = 889688448. Its totient is φ = 889510540.

The previous prime is 889599479. The next prime is 889599533. The reversal of 889599493 is 394995988.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 889599493 - 2¹³ = 889591301 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 (889599413) 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, 27253 + ... + 50218.

It is an arithmetic number, because the mean of its divisors is an integer number (222422112).

Almost surely, 2^889599493 is an apocalyptic number.

It is an amenable number.

889599493 is a deficient number, since it is larger than the sum of its proper divisors (88955).

889599493 is a wasteful number, since it uses less digits than its factorization.

889599493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88954.

The product of its digits is 25194240, while the sum is 64.

The square root of 889599493 is about 29826.1545124409. The cubic root of 889599493 is about 961.7558624112.

The spelling of 889599493 in words is "eight hundred eighty-nine million, five hundred ninety-nine thousand, four hundred ninety-three".