494508238 has 24 divisors (see below), whose sum is σ = 853757712. Its totient is φ = 210435264.

The previous prime is 494508233. The next prime is 494508241. The reversal of 494508238 is 832805494.

It is a junction number, because it is equal to n+sod(n) for n = 494508194 and 494508203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494508233) 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 11 ways as a sum of consecutive naturals, for example, 344370 + ... + 345802.

It is an arithmetic number, because the mean of its divisors is an integer number (35573238).

Almost surely, 2^494508238 is an apocalyptic number.

494508238 is a deficient number, since it is larger than the sum of its proper divisors (359249474).

494508238 is a wasteful number, since it uses less digits than its factorization.

494508238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1756 (or 1599 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 43.

The square root of 494508238 is about 22237.5411860214. The cubic root of 494508238 is about 790.7839454074.

The spelling of 494508238 in words is "four hundred ninety-four million, five hundred eight thousand, two hundred thirty-eight".