498650138 has 16 divisors (see below), whose sum is σ = 857373504. Its totient is φ = 213071040.

The previous prime is 498650107. The next prime is 498650149. The reversal of 498650138 is 831056894.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48128 + ... + 57563.

It is an arithmetic number, because the mean of its divisors is an integer number (53585844).

Almost surely, 2^498650138 is an apocalyptic number.

498650138 is a deficient number, since it is larger than the sum of its proper divisors (358723366).

498650138 is a wasteful number, since it uses less digits than its factorization.

498650138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106037.

The product of its (nonzero) digits is 207360, while the sum is 44.

The square root of 498650138 is about 22330.4755435257. The cubic root of 498650138 is about 792.9856247994.

The spelling of 498650138 in words is "four hundred ninety-eight million, six hundred fifty thousand, one hundred thirty-eight".