492217641 has 24 divisors (see below), whose sum is σ = 769379520. Its totient is φ = 313874352.

The previous prime is 492217633. The next prime is 492217703. The reversal of 492217641 is 146712294.

It is a happy number.

492217641 is a `hidden beast` number, since 4 + 9 + 2 + 2 + 1 + 7 + 641 = 666.

It is not a de Polignac number, because 492217641 - 2³ = 492217633 is a prime.

It is a super-2 number, since 2×492217641² = 484556412223209762, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 492217596 and 492217605.

It is not an unprimeable number, because it can be changed into a prime (492217631) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38446 + ... + 49623.

It is an arithmetic number, because the mean of its divisors is an integer number (32057480).

Almost surely, 2^492217641 is an apocalyptic number.

It is an amenable number.

492217641 is a deficient number, since it is larger than the sum of its proper divisors (277161879).

492217641 is an equidigital number, since it uses as much as digits as its factorization.

492217641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88107 (or 88095 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 492217641 is about 22185.9784774078. The cubic root of 492217641 is about 789.5610663215.

The spelling of 492217641 in words is "four hundred ninety-two million, two hundred seventeen thousand, six hundred forty-one".