493780031 has 8 divisors (see below), whose sum is σ = 521458560. Its totient is φ = 466619032.

The previous prime is 493780019. The next prime is 493780039. The reversal of 493780031 is 130087394.

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

It is not a de Polignac number, because 493780031 - 2²² = 489585727 is a prime.

It is a super-2 number, since 2×493780031² = 487637438028721922, 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 = 493779973 and 493780000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (493780039) 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, 127421 + ... + 131238.

It is an arithmetic number, because the mean of its divisors is an integer number (65182320).

Almost surely, 2^493780031 is an apocalyptic number.

493780031 is a deficient number, since it is larger than the sum of its proper divisors (27678529).

493780031 is a wasteful number, since it uses less digits than its factorization.

493780031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258765.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 493780031 is about 22221.1617833092. The cubic root of 493780031 is about 790.3955883440.

The spelling of 493780031 in words is "four hundred ninety-three million, seven hundred eighty thousand, thirty-one".