497850638 has 16 divisors (see below), whose sum is σ = 774758400. Its totient is φ = 239679000.

The previous prime is 497850637. The next prime is 497850671. The reversal of 497850638 is 836058794.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (497850631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7838 + ... + 32513.

It is an arithmetic number, because the mean of its divisors is an integer number (48422400).

Almost surely, 2^497850638 is an apocalyptic number.

497850638 is a deficient number, since it is larger than the sum of its proper divisors (276907762).

497850638 is a wasteful number, since it uses less digits than its factorization.

497850638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40583.

The product of its (nonzero) digits is 1451520, while the sum is 50.

The square root of 497850638 is about 22312.5668178271. The cubic root of 497850638 is about 792.5615926017.

The spelling of 497850638 in words is "four hundred ninety-seven million, eight hundred fifty thousand, six hundred thirty-eight".