535646642 has 32 divisors (see below), whose sum is σ = 874141632. Its totient is φ = 245228544.

The previous prime is 535646641. The next prime is 535646677. The reversal of 535646642 is 246646535.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 535646642.

It is not an unprimeable number, because it can be changed into a prime (535646641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187658 + ... + 190490.

It is an arithmetic number, because the mean of its divisors is an integer number (27316926).

Almost surely, 2^535646642 is an apocalyptic number.

535646642 is a deficient number, since it is larger than the sum of its proper divisors (338494990).

535646642 is a wasteful number, since it uses less digits than its factorization.

535646642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3002.

The product of its digits is 518400, while the sum is 41.

The square root of 535646642 is about 23144.0411769423. The cubic root of 535646642 is about 812.1310758093.

It can be divided in two parts, 53564 and 6642, that added together give a palindrome (60206).

The spelling of 535646642 in words is "five hundred thirty-five million, six hundred forty-six thousand, six hundred forty-two".