533438 has 4 divisors (see below), whose sum is σ = 800160. Its totient is φ = 266718.

The previous prime is 533413. The next prime is 533447. The reversal of 533438 is 834335.

533438 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 834335 = 5 ⋅166867.

It is a congruent number.

It is an unprimeable number.

533438 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 as a sum of consecutive naturals, namely, 133358 + ... + 133361.

It is an arithmetic number, because the mean of its divisors is an integer number (200040).

2⁵³³⁴³⁸ is an apocalyptic number.

533438 is a deficient number, since it is larger than the sum of its proper divisors (266722).

533438 is a wasteful number, since it uses less digits than its factorization.

533438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266721.

The product of its digits is 4320, while the sum is 26.

The square root of 533438 is about 730.3684001927. The cubic root of 533438 is about 81.1013312924.

The spelling of 533438 in words is "five hundred thirty-three thousand, four hundred thirty-eight".