498680388 has 60 divisors (see below), whose sum is σ = 1360349760. Its totient is φ = 158997168.

The previous prime is 498680279. The next prime is 498680401. The reversal of 498680388 is 883086894.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 26008 + ... + 40911.

It is an arithmetic number, because the mean of its divisors is an integer number (22672496).

Almost surely, 2^498680388 is an apocalyptic number.

It is an amenable number.

498680388 is an abundant number, since it is smaller than the sum of its proper divisors (861669372).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

498680388 is a wasteful number, since it uses less digits than its factorization.

498680388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66958 (or 66947 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 54.

The square root of 498680388 is about 22331.1528587308. The cubic root of 498680388 is about 793.0016596424.

The spelling of 498680388 in words is "four hundred ninety-eight million, six hundred eighty thousand, three hundred eighty-eight".