385888533 has 4 divisors (see below), whose sum is σ = 514518048. Its totient is φ = 257259020.

The previous prime is 385888511. The next prime is 385888541. The reversal of 385888533 is 335888583.

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, and also an emirpimes, since its reverse is a distinct semiprime: 335888583 = 3 ⋅111962861.

It is a cyclic number.

It is not a de Polignac number, because 385888533 - 2¹² = 385884437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385888543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64314753 + ... + 64314758.

It is an arithmetic number, because the mean of its divisors is an integer number (128629512).

Almost surely, 2^385888533 is an apocalyptic number.

It is an amenable number.

385888533 is a deficient number, since it is larger than the sum of its proper divisors (128629515).

385888533 is a wasteful number, since it uses less digits than its factorization.

385888533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128629514.

The product of its digits is 2764800, while the sum is 51.

The square root of 385888533 is about 19644.0457391037. The cubic root of 385888533 is about 728.0378488604.

The spelling of 385888533 in words is "three hundred eighty-five million, eight hundred eighty-eight thousand, five hundred thirty-three".