493798397 has 8 divisors (see below), whose sum is σ = 502174080. Its totient is φ = 485462320.

The previous prime is 493798387. The next prime is 493798421. The reversal of 493798397 is 793897394.

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 493798397 - 2¹⁶ = 493732861 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 (493798387) 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, 15803 + ... + 35175.

It is an arithmetic number, because the mean of its divisors is an integer number (62771760).

Almost surely, 2^493798397 is an apocalyptic number.

It is an amenable number.

493798397 is a deficient number, since it is larger than the sum of its proper divisors (8375683).

493798397 is a wasteful number, since it uses less digits than its factorization.

493798397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19803.

The product of its digits is 10287648, while the sum is 59.

The square root of 493798397 is about 22221.5750341869. The cubic root of 493798397 is about 790.4053877314.

The spelling of 493798397 in words is "four hundred ninety-three million, seven hundred ninety-eight thousand, three hundred ninety-seven".