494784231 has 4 divisors (see below), whose sum is σ = 659712312. Its totient is φ = 329856152.

The previous prime is 494784229. The next prime is 494784287. The reversal of 494784231 is 132487494.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 494784231 - 2¹ = 494784229 is a prime.

It is a super-2 number, since 2×494784231² = 489622870492522722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494784221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82464036 + ... + 82464041.

It is an arithmetic number, because the mean of its divisors is an integer number (164928078).

Almost surely, 2^494784231 is an apocalyptic number.

494784231 is a deficient number, since it is larger than the sum of its proper divisors (164928081).

494784231 is a wasteful number, since it uses less digits than its factorization.

494784231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164928080.

The product of its digits is 193536, while the sum is 42.

The square root of 494784231 is about 22243.7458850797. The cubic root of 494784231 is about 790.9310344589.

The spelling of 494784231 in words is "four hundred ninety-four million, seven hundred eighty-four thousand, two hundred thirty-one".