506944438 has 64 divisors (see below), whose sum is σ = 1027353600. Its totient is φ = 181180800.

The previous prime is 506944429. The next prime is 506944483. The reversal of 506944438 is 834449605.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 506944394 and 506944403.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 361663 + ... + 363061.

It is an arithmetic number, because the mean of its divisors is an integer number (16052400).

Almost surely, 2^506944438 is an apocalyptic number.

506944438 is an abundant number, since it is smaller than the sum of its proper divisors (520409162).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

506944438 is a wasteful number, since it uses less digits than its factorization.

506944438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1613.

The product of its (nonzero) digits is 414720, while the sum is 43.

The square root of 506944438 is about 22515.4266670654. The cubic root of 506944438 is about 797.3581803811.

The spelling of 506944438 in words is "five hundred six million, nine hundred forty-four thousand, four hundred thirty-eight".