492488641 has 4 divisors (see below), whose sum is σ = 492910384. Its totient is φ = 492066900.

The previous prime is 492488639. The next prime is 492488653. The reversal of 492488641 is 146884294.

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, and also an emirpimes, since its reverse is a distinct semiprime: 146884294 = 2 ⋅73442147.

It is a cyclic number.

It is not a de Polignac number, because 492488641 - 2¹ = 492488639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 492488591 and 492488600.

It is not an unprimeable number, because it can be changed into a prime (492488681) 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, 209115 + ... + 211456.

It is an arithmetic number, because the mean of its divisors is an integer number (123227596).

Almost surely, 2^492488641 is an apocalyptic number.

It is an amenable number.

492488641 is a deficient number, since it is larger than the sum of its proper divisors (421743).

492488641 is a wasteful number, since it uses less digits than its factorization.

492488641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421742.

The product of its digits is 442368, while the sum is 46.

The square root of 492488641 is about 22192.0850980704. The cubic root of 492488641 is about 789.7059424729.

The spelling of 492488641 in words is "four hundred ninety-two million, four hundred eighty-eight thousand, six hundred forty-one".