511448 has 16 divisors (see below), whose sum is σ = 1096080. Its totient is φ = 219168.

The previous prime is 511447. The next prime is 511453. The reversal of 511448 is 844115.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 511448.

It is not an unprimeable number, because it can be changed into a prime (511447) 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, 4511 + ... + 4622.

It is an arithmetic number, because the mean of its divisors is an integer number (68505).

2⁵¹¹⁴⁴⁸ is an apocalyptic number.

It is an amenable number.

511448 is an abundant number, since it is smaller than the sum of its proper divisors (584632).

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

511448 is a wasteful number, since it uses less digits than its factorization.

511448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9146 (or 9142 counting only the distinct ones).

The product of its digits is 640, while the sum is 23.

The square root of 511448 is about 715.1559270537. The cubic root of 511448 is about 79.9712396618.

It can be divided in two parts, 511 and 448, that added together give a palindrome (959).

The spelling of 511448 in words is "five hundred eleven thousand, four hundred forty-eight".