495388903 has 8 divisors (see below), whose sum is σ = 506233728. Its totient is φ = 484660344.

The previous prime is 495388841. The next prime is 495388913. The reversal of 495388903 is 309883594.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 495388903 - 2⁹ = 495388391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (495388913) 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, 20425 + ... + 37522.

It is an arithmetic number, because the mean of its divisors is an integer number (63279216).

Almost surely, 2^495388903 is an apocalyptic number.

495388903 is a deficient number, since it is larger than the sum of its proper divisors (10844825).

495388903 is a wasteful number, since it uses less digits than its factorization.

495388903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58133.

The product of its (nonzero) digits is 933120, while the sum is 49.

The square root of 495388903 is about 22257.3336902694. Note that the first 3 decimals coincide. The cubic root of 495388903 is about 791.2531002061.

The spelling of 495388903 in words is "four hundred ninety-five million, three hundred eighty-eight thousand, nine hundred three".