492049887 has 64 divisors (see below), whose sum is σ = 827449344. Its totient is φ = 253624320.

The previous prime is 492049847. The next prime is 492049889. The reversal of 492049887 is 788940294.

It is not a de Polignac number, because 492049887 - 2⁷ = 492049759 is a prime.

It is a super-2 number, since 2×492049887² = 484226182593425538, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (492049889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1914463 + ... + 1914719.

It is an arithmetic number, because the mean of its divisors is an integer number (12928896).

Almost surely, 2^492049887 is an apocalyptic number.

492049887 is a deficient number, since it is larger than the sum of its proper divisors (335399457).

492049887 is a wasteful number, since it uses less digits than its factorization.

492049887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488.

The product of its (nonzero) digits is 1161216, while the sum is 51.

The square root of 492049887 is about 22182.1975241408. The cubic root of 492049887 is about 789.4713586624.

The spelling of 492049887 in words is "four hundred ninety-two million, forty-nine thousand, eight hundred eighty-seven".