493078239 has 24 divisors (see below), whose sum is σ = 745539120. Its totient is φ = 321967152.

The previous prime is 493078237. The next prime is 493078241. The reversal of 493078239 is 932870394.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (493078237) and next prime (493078241).

It is not a de Polignac number, because 493078239 - 2¹ = 493078237 is a prime.

It is a super-2 number, since 2×493078239² = 486252299550682242, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 493078194 and 493078203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (493078237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 839704 + ... + 840290.

It is an arithmetic number, because the mean of its divisors is an integer number (31064130).

Almost surely, 2^493078239 is an apocalyptic number.

493078239 is a deficient number, since it is larger than the sum of its proper divisors (252460881).

493078239 is an frugal number, since it uses more digits than its factorization.

493078239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1236 (or 643 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The square root of 493078239 is about 22205.3650949495. The cubic root of 493078239 is about 790.0209570897.

The spelling of 493078239 in words is "four hundred ninety-three million, seventy-eight thousand, two hundred thirty-nine".