507447 has 6 divisors (see below), whose sum is σ = 732992. Its totient is φ = 338292.

The previous prime is 507431. The next prime is 507461. The reversal of 507447 is 744705.

It is not a de Polignac number, because 507447 - 2⁴ = 507431 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 507447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (507497) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28183 + ... + 28200.

2⁵⁰⁷⁴⁴⁷ is an apocalyptic number.

507447 is a deficient number, since it is larger than the sum of its proper divisors (225545).

507447 is a wasteful number, since it uses less digits than its factorization.

507447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56389 (or 56386 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 27.

The square root of 507447 is about 712.3531427600. The cubic root of 507447 is about 79.7621581749.

The spelling of 507447 in words is "five hundred seven thousand, four hundred forty-seven".