497419638 has 16 divisors (see below), whose sum is σ = 1021727280. Its totient is φ = 161325216.

The previous prime is 497419633. The next prime is 497419649. The reversal of 497419638 is 836914794.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (497419633) 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, 1120093 + ... + 1120536.

It is an arithmetic number, because the mean of its divisors is an integer number (63857955).

Almost surely, 2^497419638 is an apocalyptic number.

497419638 is an abundant number, since it is smaller than the sum of its proper divisors (524307642).

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

497419638 is a wasteful number, since it uses less digits than its factorization.

497419638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2240671.

The product of its digits is 1306368, while the sum is 51.

The square root of 497419638 is about 22302.9064922041. The cubic root of 497419638 is about 792.3328140331.

The spelling of 497419638 in words is "four hundred ninety-seven million, four hundred nineteen thousand, six hundred thirty-eight".