492438 has 8 divisors (see below), whose sum is σ = 984888. Its totient is φ = 164144.

The previous prime is 492431. The next prime is 492463. The reversal of 492438 is 834294.

It is a happy number.

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

492438 is an admirable number.

It is a Curzon number.

It is a nialpdrome in base 14.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 492438.

It is not an unprimeable number, because it can be changed into a prime (492431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41031 + ... + 41042.

It is an arithmetic number, because the mean of its divisors is an integer number (123111).

2⁴⁹²⁴³⁸ is an apocalyptic number.

492438 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

492438 is a wasteful number, since it uses less digits than its factorization.

492438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82078.

The product of its digits is 6912, while the sum is 30.

The square root of 492438 is about 701.7392678196. The cubic root of 492438 is about 78.9678873917.

It can be divided in two parts, 492 and 438, that multiplied together give a triangular number (215496 = T₆₅₆).

The spelling of 492438 in words is "four hundred ninety-two thousand, four hundred thirty-eight".