538749 has 12 divisors (see below), whose sum is σ = 803712. Its totient is φ = 347400.

The previous prime is 538739. The next prime is 538751. The reversal of 538749 is 947835.

538749 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 538749 - 2⁷ = 538621 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538709) 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, 687 + ... + 1244.

It is an arithmetic number, because the mean of its divisors is an integer number (66976).

538749 is a Friedman number, since it can be written as (9^3+5)^(8/4)-7, using all its digits and the basic arithmetic operations.

2⁵³⁸⁷⁴⁹ is an apocalyptic number.

It is an amenable number.

538749 is a deficient number, since it is larger than the sum of its proper divisors (264963).

538749 is a wasteful number, since it uses less digits than its factorization.

538749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1968 (or 1965 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 538749 is about 733.9952315921. The cubic root of 538749 is about 81.3695958667.

The spelling of 538749 in words is "five hundred thirty-eight thousand, seven hundred forty-nine".