493451397 has 36 divisors (see below), whose sum is σ = 749754720. Its totient is φ = 312636240.

The previous prime is 493451389. The next prime is 493451411. The reversal of 493451397 is 793154394.

493451397 is a `hidden beast` number, since 49 + 3 + 4 + 513 + 97 = 666.

It is not a de Polignac number, because 493451397 - 2³ = 493451389 is a prime.

It is a super-3 number, since 3×493451397³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (493451297) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 509808 + ... + 510774.

It is an arithmetic number, because the mean of its divisors is an integer number (20826520).

Almost surely, 2^493451397 is an apocalyptic number.

It is an amenable number.

493451397 is a deficient number, since it is larger than the sum of its proper divisors (256303323).

493451397 is a wasteful number, since it uses less digits than its factorization.

493451397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1094 (or 1060 counting only the distinct ones).

The product of its digits is 408240, while the sum is 45.

The square root of 493451397 is about 22213.7659346631. The cubic root of 493451397 is about 790.2202008609.

The spelling of 493451397 in words is "four hundred ninety-three million, four hundred fifty-one thousand, three hundred ninety-seven".