535694388 has 12 divisors (see below), whose sum is σ = 1249953600. Its totient is φ = 178564792.

The previous prime is 535694381. The next prime is 535694407. The reversal of 535694388 is 883496535.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 535694388.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (535694381) 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, 22320588 + ... + 22320611.

It is an arithmetic number, because the mean of its divisors is an integer number (104162800).

Almost surely, 2^535694388 is an apocalyptic number.

It is an amenable number.

535694388 is an abundant number, since it is smaller than the sum of its proper divisors (714259212).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

535694388 is a wasteful number, since it uses less digits than its factorization.

535694388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44641206 (or 44641204 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 51.

The square root of 535694388 is about 23145.0726505665. The cubic root of 535694388 is about 812.1552054346.

The spelling of 535694388 in words is "five hundred thirty-five million, six hundred ninety-four thousand, three hundred eighty-eight".