491300427 has 8 divisors (see below), whose sum is σ = 658687120. Its totient is φ = 325723680.

The previous prime is 491300377. The next prime is 491300449. The reversal of 491300427 is 724003194.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 491300427 - 2⁶ = 491300363 is a prime.

It is a super-2 number, since 2×491300427² = 482752219140764658, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 491300394 and 491300403.

It is not an unprimeable number, because it can be changed into a prime (491300027) 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, 451852 + ... + 452937.

It is an arithmetic number, because the mean of its divisors is an integer number (82335890).

Almost surely, 2^491300427 is an apocalyptic number.

491300427 is a deficient number, since it is larger than the sum of its proper divisors (167386693).

491300427 is a wasteful number, since it uses less digits than its factorization.

491300427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 904973.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 491300427 is about 22165.2978098649. The cubic root of 491300427 is about 789.0703303137.

The spelling of 491300427 in words is "four hundred ninety-one million, three hundred thousand, four hundred twenty-seven".