601684491 has 16 divisors (see below), whose sum is σ = 831943424. Its totient is φ = 386485344.

The previous prime is 601684483. The next prime is 601684493. The reversal of 601684491 is 194486106.

It is not a de Polignac number, because 601684491 - 2³ = 601684483 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (601684493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14881 + ... + 37746.

It is an arithmetic number, because the mean of its divisors is an integer number (51996464).

Almost surely, 2^601684491 is an apocalyptic number.

601684491 is a deficient number, since it is larger than the sum of its proper divisors (230258933).

601684491 is a wasteful number, since it uses less digits than its factorization.

601684491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52770.

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 601684491 is about 24529.2578566902. The cubic root of 601684491 is about 844.2212359802.

The spelling of 601684491 in words is "six hundred one million, six hundred eighty-four thousand, four hundred ninety-one".