523470 has 16 divisors (see below), whose sum is σ = 1256400. Its totient is φ = 139584.

The previous prime is 523463. The next prime is 523487. The reversal of 523470 is 74325.

It is a happy number.

It is an Ulam number.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8695 + ... + 8754.

It is an arithmetic number, because the mean of its divisors is an integer number (78525).

2⁵²³⁴⁷⁰ is an apocalyptic number.

523470 is an abundant number, since it is smaller than the sum of its proper divisors (732930).

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

523470 is a wasteful number, since it uses less digits than its factorization.

523470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17459.

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 523470 is about 723.5122666548. The cubic root of 523470 is about 80.5929895160.

Adding to 523470 its reverse (74325), we get a palindrome (597795).

The spelling of 523470 in words is "five hundred twenty-three thousand, four hundred seventy".