418245493 has 8 divisors (see below), whose sum is σ = 421178400. Its totient is φ = 415319568.

The previous prime is 418245491. The next prime is 418245523. The reversal of 418245493 is 394542814.

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

It is a cyclic number.

It is not a de Polignac number, because 418245493 - 2¹ = 418245491 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (418245491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181255 + ... + 183547.

It is an arithmetic number, because the mean of its divisors is an integer number (52647300).

Almost surely, 2^418245493 is an apocalyptic number.

It is an amenable number.

418245493 is a deficient number, since it is larger than the sum of its proper divisors (2932907).

418245493 is a wasteful number, since it uses less digits than its factorization.

418245493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3491.

The product of its digits is 138240, while the sum is 40.

The square root of 418245493 is about 20451.0511465792. The cubic root of 418245493 is about 747.8429833566.

The spelling of 418245493 in words is "four hundred eighteen million, two hundred forty-five thousand, four hundred ninety-three".