538433 has 4 divisors (see below), whose sum is σ = 615360. Its totient is φ = 461508.

The previous prime is 538423. The next prime is 538457. The reversal of 538433 is 334835.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-538433 is a prime.

It is a super-3 number, since 3×538433³ = 468291487333286211, which contains 333 as substring.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 538433.

It is not an unprimeable number, because it can be changed into a prime (538423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38453 + ... + 38466.

It is an arithmetic number, because the mean of its divisors is an integer number (153840).

2⁵³⁸⁴³³ is an apocalyptic number.

It is an amenable number.

538433 is a deficient number, since it is larger than the sum of its proper divisors (76927).

538433 is an equidigital number, since it uses as much as digits as its factorization.

538433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76926.

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

The square root of 538433 is about 733.7799397640. The cubic root of 538433 is about 81.3536838055.

The spelling of 538433 in words is "five hundred thirty-eight thousand, four hundred thirty-three".