472243393 has 4 divisors (see below), whose sum is σ = 472474368. Its totient is φ = 472012420.

The previous prime is 472243363. The next prime is 472243399. The reversal of 472243393 is 393342274.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-472243393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (472243399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112393 + ... + 116518.

It is an arithmetic number, because the mean of its divisors is an integer number (118118592).

Almost surely, 2^472243393 is an apocalyptic number.

It is an amenable number.

472243393 is a deficient number, since it is larger than the sum of its proper divisors (230975).

472243393 is a wasteful number, since it uses less digits than its factorization.

472243393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230974.

The product of its digits is 108864, while the sum is 37.

The square root of 472243393 is about 21731.1617959096. The cubic root of 472243393 is about 778.7330918265.

The spelling of 472243393 in words is "four hundred seventy-two million, two hundred forty-three thousand, three hundred ninety-three".