506944403 has 24 divisors (see below), whose sum is σ = 641356128. Its totient is φ = 391133952.

The previous prime is 506944349. The next prime is 506944421. The reversal of 506944403 is 304449605.

It is not a de Polignac number, because 506944403 - 2¹⁰ = 506943379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (506944483) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58925 + ... + 66977.

It is an arithmetic number, because the mean of its divisors is an integer number (26723172).

Almost surely, 2^506944403 is an apocalyptic number.

506944403 is a deficient number, since it is larger than the sum of its proper divisors (134411725).

506944403 is a wasteful number, since it uses less digits than its factorization.

506944403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8123 (or 8100 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 506944403 is about 22515.4258898205. The cubic root of 506944403 is about 797.3581620309.

The spelling of 506944403 in words is "five hundred six million, nine hundred forty-four thousand, four hundred three".