538456 has 8 divisors (see below), whose sum is σ = 1009620. Its totient is φ = 269224.

The previous prime is 538423. The next prime is 538457. The reversal of 538456 is 654835.

It is a tau number, because it is divible by the number of its divisors (8).

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33646 + ... + 33661.

2⁵³⁸⁴⁵⁶ is an apocalyptic number.

It is an amenable number.

538456 is a deficient number, since it is larger than the sum of its proper divisors (471164).

538456 is a wasteful number, since it uses less digits than its factorization.

538456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67313 (or 67309 counting only the distinct ones).

The product of its digits is 14400, while the sum is 31.

The square root of 538456 is about 733.7956118702. The cubic root of 538456 is about 81.3548421719.

The spelling of 538456 in words is "five hundred thirty-eight thousand, four hundred fifty-six".