493597389 has 16 divisors (see below), whose sum is σ = 664773120. Its totient is φ = 325756080.

The previous prime is 493597381. The next prime is 493597393. The reversal of 493597389 is 983795394.

It is not a de Polignac number, because 493597389 - 2³ = 493597381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (493597381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190102 + ... + 192680.

It is an arithmetic number, because the mean of its divisors is an integer number (41548320).

Almost surely, 2^493597389 is an apocalyptic number.

It is an amenable number.

493597389 is a deficient number, since it is larger than the sum of its proper divisors (171175731).

493597389 is a wasteful number, since it uses less digits than its factorization.

493597389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3200.

The product of its digits is 7348320, while the sum is 57.

The square root of 493597389 is about 22217.0517621038. The cubic root of 493597389 is about 790.2981244097.

The spelling of 493597389 in words is "four hundred ninety-three million, five hundred ninety-seven thousand, three hundred eighty-nine".