523494 has 24 divisors (see below), whose sum is σ = 1148160. Its totient is φ = 172368.

The previous prime is 523493. The next prime is 523511. The reversal of 523494 is 494325.

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 not an unprimeable number, because it can be changed into a prime (523493) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2172 + ... + 2400.

It is an arithmetic number, because the mean of its divisors is an integer number (47840).

2⁵²³⁴⁹⁴ is an apocalyptic number.

523494 is an abundant number, since it is smaller than the sum of its proper divisors (624666).

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

523494 is a wasteful number, since it uses less digits than its factorization.

523494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364 (or 361 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 523494 is about 723.5288522236. The cubic root of 523494 is about 80.5942211703.

The spelling of 523494 in words is "five hundred twenty-three thousand, four hundred ninety-four".