491194598 has 8 divisors (see below), whose sum is σ = 742593792. Its totient is φ = 243663336.

The previous prime is 491194577. The next prime is 491194661. The reversal of 491194598 is 895491194.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 966665 + ... + 967172.

It is an arithmetic number, because the mean of its divisors is an integer number (92824224).

Almost surely, 2^491194598 is an apocalyptic number.

491194598 is a deficient number, since it is larger than the sum of its proper divisors (251399194).

491194598 is a wasteful number, since it uses less digits than its factorization.

491194598 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1933966.

The product of its digits is 466560, while the sum is 50.

The square root of 491194598 is about 22162.9104135716. The cubic root of 491194598 is about 789.0136694493.

The spelling of 491194598 in words is "four hundred ninety-one million, one hundred ninety-four thousand, five hundred ninety-eight".