492845 has 8 divisors (see below), whose sum is σ = 595320. Its totient is φ = 391680.

The previous prime is 492839. The next prime is 492853. The reversal of 492845 is 548294.

492845 is nontrivially palindromic in base 4.

It can be written as a sum of positive squares in 4 ways, for example, as 203401 + 289444 = 451^2 + 538^2 .

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

It is not a de Polignac number, because 492845 - 2⁶ = 492781 is a prime.

It is a nialpdrome in base 14.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1001 + ... + 1409.

It is an arithmetic number, because the mean of its divisors is an integer number (74415).

2⁴⁹²⁸⁴⁵ is an apocalyptic number.

It is an amenable number.

492845 is a deficient number, since it is larger than the sum of its proper divisors (102475).

492845 is a wasteful number, since it uses less digits than its factorization.

492845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655.

The product of its digits is 11520, while the sum is 32.

The square root of 492845 is about 702.0292016718. The cubic root of 492845 is about 78.9896370533.

The spelling of 492845 in words is "four hundred ninety-two thousand, eight hundred forty-five".