538477 has 4 divisors (see below), whose sum is σ = 540736. Its totient is φ = 536220.

The previous prime is 538471. The next prime is 538481. The reversal of 538477 is 774835.

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 not a de Polignac number, because 538477 - 2¹⁵ = 505709 is a prime.

It is a Duffinian number.

538477 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 723 + ... + 1264.

It is an arithmetic number, because the mean of its divisors is an integer number (135184).

2⁵³⁸⁴⁷⁷ is an apocalyptic number.

It is an amenable number.

538477 is a deficient number, since it is larger than the sum of its proper divisors (2259).

538477 is a wasteful number, since it uses less digits than its factorization.

538477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2258.

The product of its digits is 23520, while the sum is 34.

The square root of 538477 is about 733.8099208923. The cubic root of 538477 is about 81.3558997820.

The spelling of 538477 in words is "five hundred thirty-eight thousand, four hundred seventy-seven".