535665406 has 8 divisors (see below), whose sum is σ = 804545280. Its totient is φ = 267483648.

The previous prime is 535665397. The next prime is 535665413. The reversal of 535665406 is 604566535.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172606 + ... + 175681.

It is an arithmetic number, because the mean of its divisors is an integer number (100568160).

Almost surely, 2^535665406 is an apocalyptic number.

535665406 is a deficient number, since it is larger than the sum of its proper divisors (268879874).

535665406 is a wasteful number, since it uses less digits than its factorization.

535665406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349058.

The product of its (nonzero) digits is 324000, while the sum is 40.

The square root of 535665406 is about 23144.4465477142. The cubic root of 535665406 is about 812.1405588331.

The spelling of 535665406 in words is "five hundred thirty-five million, six hundred sixty-five thousand, four hundred six".