506944439 has 4 divisors (see below), whose sum is σ = 507154560. Its totient is φ = 506734320.

The previous prime is 506944429. The next prime is 506944483. The reversal of 506944439 is 934449605.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 506944439 - 2²⁸ = 238508983 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 506944439.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506944429) 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, 101399 + ... + 106280.

It is an arithmetic number, because the mean of its divisors is an integer number (126788640).

Almost surely, 2^506944439 is an apocalyptic number.

506944439 is a deficient number, since it is larger than the sum of its proper divisors (210121).

506944439 is a wasteful number, since it uses less digits than its factorization.

506944439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210120.

The product of its (nonzero) digits is 466560, while the sum is 44.

The square root of 506944439 is about 22515.4266892724. The cubic root of 506944439 is about 797.3581809054.

The spelling of 506944439 in words is "five hundred six million, nine hundred forty-four thousand, four hundred thirty-nine".