492019 has 4 divisors (see below), whose sum is σ = 536760. Its totient is φ = 447280.

The previous prime is 492017. The next prime is 492029. The reversal of 492019 is 910294.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 492019 - 2¹ = 492017 is a prime.

It is a super-2 number, since 2×492019² = 484165392722, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 491984 and 492002.

It is not an unprimeable number, because it can be changed into a prime (492013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22354 + ... + 22375.

It is an arithmetic number, because the mean of its divisors is an integer number (134190).

2⁴⁹²⁰¹⁹ is an apocalyptic number.

492019 is a deficient number, since it is larger than the sum of its proper divisors (44741).

492019 is a wasteful number, since it uses less digits than its factorization.

492019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44740.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 492019 is about 701.4406603555. The cubic root of 492019 is about 78.9454839394.

The spelling of 492019 in words is "four hundred ninety-two thousand, nineteen".