538662385 has 8 divisors (see below), whose sum is σ = 668684520. Its totient is φ = 416070144.

The previous prime is 538662353. The next prime is 538662409. The reversal of 538662385 is 583266835.

It can be written as a sum of positive squares in 4 ways, for example, as 58920976 + 479741409 = 7676^2 + 21903^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 538662385 - 2⁵ = 538662353 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1857312 + ... + 1857601.

It is an arithmetic number, because the mean of its divisors is an integer number (83585565).

Almost surely, 2^538662385 is an apocalyptic number.

It is an amenable number.

538662385 is a deficient number, since it is larger than the sum of its proper divisors (130022135).

538662385 is a wasteful number, since it uses less digits than its factorization.

538662385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3714947.

The product of its digits is 1036800, while the sum is 46.

The square root of 538662385 is about 23209.1013397762. The cubic root of 538662385 is about 813.6523502008.

The spelling of 538662385 in words is "five hundred thirty-eight million, six hundred sixty-two thousand, three hundred eighty-five".