492819 has 8 divisors (see below), whose sum is σ = 668112. Its totient is φ = 323040.

The previous prime is 492799. The next prime is 492839. The reversal of 492819 is 918294.

It is an interprime number because it is at equal distance from previous prime (492799) and next prime (492839).

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

It is not a de Polignac number, because 492819 - 2⁸ = 492563 is a prime.

It is a super-4 number, since 4×492819⁴ (a number of 24 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is an Ulam number.

It is a nialpdrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 492819.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (492839) 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, 1164 + ... + 1529.

It is an arithmetic number, because the mean of its divisors is an integer number (83514).

2⁴⁹²⁸¹⁹ is an apocalyptic number.

492819 is a deficient number, since it is larger than the sum of its proper divisors (175293).

492819 is a wasteful number, since it uses less digits than its factorization.

492819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2757.

The product of its digits is 5184, while the sum is 33.

The square root of 492819 is about 702.0106836794. The cubic root of 492819 is about 78.9882479982.

The spelling of 492819 in words is "four hundred ninety-two thousand, eight hundred nineteen".