497949986 has 16 divisors (see below), whose sum is σ = 791901600. Its totient is φ = 234171648.

The previous prime is 497949983. The next prime is 497949989. The reversal of 497949986 is 689949794.

It is an interprime number because it is at equal distance from previous prime (497949983) and next prime (497949989).

It is not an unprimeable number, because it can be changed into a prime (497949983) 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, 41855 + ... + 52418.

It is an arithmetic number, because the mean of its divisors is an integer number (49493850).

Almost surely, 2^497949986 is an apocalyptic number.

497949986 is a deficient number, since it is larger than the sum of its proper divisors (293951614).

497949986 is a wasteful number, since it uses less digits than its factorization.

497949986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94433.

The product of its digits is 35271936, while the sum is 65.

The square root of 497949986 is about 22314.7929858200. The cubic root of 497949986 is about 792.6143086616.

The spelling of 497949986 in words is "four hundred ninety-seven million, nine hundred forty-nine thousand, nine hundred eighty-six".