538929 has 12 divisors (see below), whose sum is σ = 784836. Its totient is φ = 356352.

The previous prime is 538927. The next prime is 538931. The reversal of 538929 is 929835.

It is an interprime number because it is at equal distance from previous prime (538927) and next prime (538931).

It can be written as a sum of positive squares in 2 ways, for example, as 360000 + 178929 = 600^2 + 423^2 .

It is not a de Polignac number, because 538929 - 2¹ = 538927 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 538893 and 538902.

It is not an unprimeable number, because it can be changed into a prime (538921) 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, 1969 + ... + 2225.

It is an arithmetic number, because the mean of its divisors is an integer number (65403).

538929 is a Friedman number, since it can be written as 9*(832+9^5), using all its digits and the basic arithmetic operations.

2⁵³⁸⁹²⁹ is an apocalyptic number.

It is an amenable number.

538929 is a deficient number, since it is larger than the sum of its proper divisors (245907).

538929 is a wasteful number, since it uses less digits than its factorization.

538929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496 (or 493 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 538929 is about 734.1178379525. The cubic root of 538929 is about 81.3786569176.

The spelling of 538929 in words is "five hundred thirty-eight thousand, nine hundred twenty-nine".