601808493 has 72 divisors (see below), whose sum is σ = 996896160. Its totient is φ = 319737600.

The previous prime is 601808479. The next prime is 601808497. The reversal of 601808493 is 394808106.

It is not a de Polignac number, because 601808493 - 2⁵ = 601808461 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (601808497) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 9865683 + ... + 9865743.

It is an arithmetic number, because the mean of its divisors is an integer number (13845780).

Almost surely, 2^601808493 is an apocalyptic number.

It is an amenable number.

601808493 is a deficient number, since it is larger than the sum of its proper divisors (395087667).

601808493 is a wasteful number, since it uses less digits than its factorization.

601808493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191 (or 117 counting only the distinct ones).

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

The square root of 601808493 is about 24531.7853610372. The cubic root of 601808493 is about 844.2792275757.

The spelling of 601808493 in words is "six hundred one million, eight hundred eight thousand, four hundred ninety-three".