492020881 has 4 divisors (see below), whose sum is σ = 536750064. Its totient is φ = 447291700.

The previous prime is 492020861. The next prime is 492020891. The reversal of 492020881 is 188020294.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 492020881 - 2⁵ = 492020849 is a prime.

It is a super-2 number, since 2×492020881² = 484169094680032322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (492020801) 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, 22364575 + ... + 22364596.

It is an arithmetic number, because the mean of its divisors is an integer number (134187516).

Almost surely, 2^492020881 is an apocalyptic number.

It is an amenable number.

492020881 is a deficient number, since it is larger than the sum of its proper divisors (44729183).

492020881 is a wasteful number, since it uses less digits than its factorization.

492020881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44729182.

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 492020881 is about 22181.5437019158. The cubic root of 492020881 is about 789.4558454276.

The spelling of 492020881 in words is "four hundred ninety-two million, twenty thousand, eight hundred eighty-one".