498776890 has 16 divisors (see below), whose sum is σ = 919696680. Its totient is φ = 194644480.

The previous prime is 498776881. The next prime is 498776893. The reversal of 498776890 is 98677894.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 191020041 + 307756849 = 13821^2 + 17543^2 .

It is not an unprimeable number, because it can be changed into a prime (498776893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 607855 + ... + 608674.

Almost surely, 2^498776890 is an apocalyptic number.

498776890 is a deficient number, since it is larger than the sum of its proper divisors (420919790).

498776890 is a wasteful number, since it uses less digits than its factorization.

498776890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1216577.

The product of its (nonzero) digits is 6096384, while the sum is 58.

The square root of 498776890 is about 22333.3134577026. The cubic root of 498776890 is about 793.0528088435.

The spelling of 498776890 in words is "four hundred ninety-eight million, seven hundred seventy-six thousand, eight hundred ninety".