498750138 has 48 divisors (see below), whose sum is σ = 1096333056. Its totient is φ = 163848960.

The previous prime is 498750137. The next prime is 498750139. The reversal of 498750138 is 831057894.

It is an interprime number because it is at equal distance from previous prime (498750137) and next prime (498750139).

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 498750093 and 498750102.

It is not an unprimeable number, because it can be changed into a prime (498750137) 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 23 ways as a sum of consecutive naturals, for example, 577495 + ... + 578357.

It is an arithmetic number, because the mean of its divisors is an integer number (22840272).

Almost surely, 2^498750138 is an apocalyptic number.

498750138 is an abundant number, since it is smaller than the sum of its proper divisors (597582918).

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

498750138 is a wasteful number, since it uses less digits than its factorization.

498750138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1299 (or 1296 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 498750138 is about 22332.7145237654. The cubic root of 498750138 is about 793.0386300738.

The spelling of 498750138 in words is "four hundred ninety-eight million, seven hundred fifty thousand, one hundred thirty-eight".