538683405 has 16 divisors (see below), whose sum is σ = 928193280. Its totient is φ = 265197888.

The previous prime is 538683377. The next prime is 538683413. The reversal of 538683405 is 504386835.

It is not a de Polignac number, because 538683405 - 2¹⁶ = 538617869 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1381045 + ... + 1381434.

It is an arithmetic number, because the mean of its divisors is an integer number (58012080).

Almost surely, 2^538683405 is an apocalyptic number.

It is an amenable number.

538683405 is a deficient number, since it is larger than the sum of its proper divisors (389509875).

538683405 is a wasteful number, since it uses less digits than its factorization.

538683405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2762500.

The product of its (nonzero) digits is 345600, while the sum is 42.

The square root of 538683405 is about 23209.5541749513. The cubic root of 538683405 is about 813.6629336698.

The spelling of 538683405 in words is "five hundred thirty-eight million, six hundred eighty-three thousand, four hundred five".