494879505 has 16 divisors (see below), whose sum is σ = 817350144. Its totient is φ = 255421440.

The previous prime is 494879501. The next prime is 494879507. The reversal of 494879505 is 505978494.

It is not a de Polignac number, because 494879505 - 2² = 494879501 is a prime.

It is not an unprimeable number, because it can be changed into a prime (494879501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 531664 + ... + 532593.

It is an arithmetic number, because the mean of its divisors is an integer number (51084384).

Almost surely, 2^494879505 is an apocalyptic number.

It is an amenable number.

494879505 is a deficient number, since it is larger than the sum of its proper divisors (322470639).

494879505 is a wasteful number, since it uses less digits than its factorization.

494879505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1064296.

The product of its (nonzero) digits is 1814400, while the sum is 51.

The square root of 494879505 is about 22245.8873727258. The cubic root of 494879505 is about 790.9817975474.

The spelling of 494879505 in words is "four hundred ninety-four million, eight hundred seventy-nine thousand, five hundred five".