491423367 has 8 divisors (see below), whose sum is σ = 667594224. Its totient is φ = 321434048.

The previous prime is 491423363. The next prime is 491423389. The reversal of 491423367 is 763324194.

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 491423367 - 2² = 491423363 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (491423363) 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, 1545198 + ... + 1545515.

It is an arithmetic number, because the mean of its divisors is an integer number (83449278).

Almost surely, 2^491423367 is an apocalyptic number.

491423367 is a deficient number, since it is larger than the sum of its proper divisors (176170857).

491423367 is a wasteful number, since it uses less digits than its factorization.

491423367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3090769.

The product of its digits is 108864, while the sum is 39.

The square root of 491423367 is about 22168.0708903594. The cubic root of 491423367 is about 789.1361421949.

The spelling of 491423367 in words is "four hundred ninety-one million, four hundred twenty-three thousand, three hundred sixty-seven".