475391843 has 12 divisors (see below), whose sum is σ = 489194160. Its totient is φ = 461968320.

The previous prime is 475391831. The next prime is 475391909. The reversal of 475391843 is 348193574.

It is a de Polignac number, because none of the positive numbers 2^k-475391843 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 475391794 and 475391803.

It is not an unprimeable number, because it can be changed into a prime (475391803) 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 11 ways as a sum of consecutive naturals, for example, 653546 + ... + 654272.

It is an arithmetic number, because the mean of its divisors is an integer number (40766180).

Almost surely, 2^475391843 is an apocalyptic number.

475391843 is a deficient number, since it is larger than the sum of its proper divisors (13802317).

475391843 is an equidigital number, since it uses as much as digits as its factorization.

475391843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1198 (or 1157 counting only the distinct ones).

The product of its digits is 362880, while the sum is 44.

The square root of 475391843 is about 21803.4823594764. The cubic root of 475391843 is about 780.4598663415.

The spelling of 475391843 in words is "four hundred seventy-five million, three hundred ninety-one thousand, eight hundred forty-three".