512408 has 24 divisors (see below), whose sum is σ = 1043100. Its totient is φ = 235872.

The previous prime is 512389. The next prime is 512419. The reversal of 512408 is 804215.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 512408.

It is a congruent number.

It is an unprimeable number.

512408 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1163 + ... + 1541.

2⁵¹²⁴⁰⁸ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 512408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (521550).

512408 is an abundant number, since it is smaller than the sum of its proper divisors (530692).

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

512408 is a wasteful number, since it uses less digits than its factorization.

512408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411 (or 394 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 512408 is about 715.8267946927. The cubic root of 512408 is about 80.0212443580.

The spelling of 512408 in words is "five hundred twelve thousand, four hundred eight".