493722431 has 8 divisors (see below), whose sum is σ = 505528320. Its totient is φ = 481931352.

The previous prime is 493722409. The next prime is 493722469. The reversal of 493722431 is 134227394.

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 493722431 - 2¹⁸ = 493460287 is a prime.

It is a super-2 number, since 2×493722431² = 487523677745099522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 493722391 and 493722400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (493722491) 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, 93890 + ... + 99008.

It is an arithmetic number, because the mean of its divisors is an integer number (63191040).

Almost surely, 2^493722431 is an apocalyptic number.

493722431 is a deficient number, since it is larger than the sum of its proper divisors (11805889).

493722431 is a wasteful number, since it uses less digits than its factorization.

493722431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7405.

The product of its digits is 36288, while the sum is 35.

The square root of 493722431 is about 22219.8656836624. The cubic root of 493722431 is about 790.3648536353.

The spelling of 493722431 in words is "four hundred ninety-three million, seven hundred twenty-two thousand, four hundred thirty-one".