492341987 has 2 divisors, whose sum is σ = 492341988. Its totient is φ = 492341986.

The previous prime is 492341977. The next prime is 492342013. The reversal of 492341987 is 789143294.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 492341987 - 2²⁸ = 223906531 is a prime.

It is not a weakly prime, because it can be changed into another prime (492341977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246170993 + 246170994.

It is an arithmetic number, because the mean of its divisors is an integer number (246170994).

Almost surely, 2^492341987 is an apocalyptic number.

492341987 is a deficient number, since it is larger than the sum of its proper divisors (1).

492341987 is an equidigital number, since it uses as much as digits as its factorization.

492341987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 435456, while the sum is 47.

The square root of 492341987 is about 22188.7806559982. The cubic root of 492341987 is about 789.6275480875.

The spelling of 492341987 in words is "four hundred ninety-two million, three hundred forty-one thousand, nine hundred eighty-seven".