494887111 has 8 divisors (see below), whose sum is σ = 512538624. Its totient is φ = 477532440.

The previous prime is 494887109. The next prime is 494887157. The reversal of 494887111 is 111788494.

It is a happy number.

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 494887111 - 2¹ = 494887109 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 (494887171) 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, 70815 + ... + 77488.

It is an arithmetic number, because the mean of its divisors is an integer number (64067328).

Almost surely, 2^494887111 is an apocalyptic number.

494887111 is a deficient number, since it is larger than the sum of its proper divisors (17651513).

494887111 is a wasteful number, since it uses less digits than its factorization.

494887111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148421.

The product of its digits is 64512, while the sum is 43.

The square root of 494887111 is about 22246.0583250157. The cubic root of 494887111 is about 790.9858498313.

It can be divided in two parts, 494 and 887111, that multiplied together give a palindrome (438232834).

The spelling of 494887111 in words is "four hundred ninety-four million, eight hundred eighty-seven thousand, one hundred eleven".