493735421 has 8 divisors (see below), whose sum is σ = 502603200. Its totient is φ = 484941600.

The previous prime is 493735399. The next prime is 493735433. The reversal of 493735421 is 124537394.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-493735421 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 (493735441) 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, 4931 + ... + 31808.

It is an arithmetic number, because the mean of its divisors is an integer number (62825400).

Almost surely, 2^493735421 is an apocalyptic number.

It is an amenable number.

493735421 is a deficient number, since it is larger than the sum of its proper divisors (8867779).

493735421 is a wasteful number, since it uses less digits than its factorization.

493735421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36979.

The product of its digits is 90720, while the sum is 38.

The square root of 493735421 is about 22220.1579877372. The cubic root of 493735421 is about 790.3717851612.

The spelling of 493735421 in words is "four hundred ninety-three million, seven hundred thirty-five thousand, four hundred twenty-one".