491107602 has 8 divisors (see below), whose sum is σ = 982215216. Its totient is φ = 163702532.

The previous prime is 491107579. The next prime is 491107609. The reversal of 491107602 is 206701194.

It is a happy number.

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

491107602 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 491107602.

It is not an unprimeable number, because it can be changed into a prime (491107609) 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, 40925628 + ... + 40925639.

It is an arithmetic number, because the mean of its divisors is an integer number (122776902).

Almost surely, 2^491107602 is an apocalyptic number.

491107602 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

491107602 is a wasteful number, since it uses less digits than its factorization.

491107602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81851272.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 491107602 is about 22160.9476782921. The cubic root of 491107602 is about 788.9670856810.

Adding to 491107602 its reverse (206701194), we get a palindrome (697808796).

The spelling of 491107602 in words is "four hundred ninety-one million, one hundred seven thousand, six hundred two".