492338439 has 16 divisors (see below), whose sum is σ = 731004640. Its totient is φ = 327499200.

The previous prime is 492338419. The next prime is 492338443. The reversal of 492338439 is 934833294.

It is not a de Polignac number, because 492338439 - 2¹¹ = 492336391 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 492338394 and 492338403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (492338419) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7612 + ... + 32289.

It is an arithmetic number, because the mean of its divisors is an integer number (45687790).

Almost surely, 2^492338439 is an apocalyptic number.

492338439 is a deficient number, since it is larger than the sum of its proper divisors (238666201).

492338439 is a wasteful number, since it uses less digits than its factorization.

492338439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40367 (or 40361 counting only the distinct ones).

The product of its digits is 559872, while the sum is 45.

The square root of 492338439 is about 22188.7007055393. The cubic root of 492338439 is about 789.6256512994.

The spelling of 492338439 in words is "four hundred ninety-two million, three hundred thirty-eight thousand, four hundred thirty-nine".