418248493 has 8 divisors (see below), whose sum is σ = 458920728. Its totient is φ = 378790464.

The previous prime is 418248461. The next prime is 418248499. The reversal of 418248493 is 394842814.

It can be written as a sum of positive squares in 4 ways, for example, as 168039369 + 250209124 = 12963^2 + 15818^2 .

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

It is not a de Polignac number, because 418248493 - 2⁵ = 418248461 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 (418248499) 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, 302830 + ... + 304207.

It is an arithmetic number, because the mean of its divisors is an integer number (57365091).

Almost surely, 2^418248493 is an apocalyptic number.

It is an amenable number.

418248493 is a deficient number, since it is larger than the sum of its proper divisors (40672235).

418248493 is a wasteful number, since it uses less digits than its factorization.

418248493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607103.

The product of its digits is 221184, while the sum is 43.

The square root of 418248493 is about 20451.1244923109. The cubic root of 418248493 is about 747.8447714002.

The spelling of 418248493 in words is "four hundred eighteen million, two hundred forty-eight thousand, four hundred ninety-three".