662642284 has 24 divisors (see below), whose sum is σ = 1188186048. Its totient is φ = 323207040.

The previous prime is 662642263. The next prime is 662642297. The reversal of 662642284 is 482246266.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53214 + ... + 64474.

It is an arithmetic number, because the mean of its divisors is an integer number (49507752).

Almost surely, 2^662642284 is an apocalyptic number.

It is an amenable number.

662642284 is a deficient number, since it is larger than the sum of its proper divisors (525543764).

662642284 is a wasteful number, since it uses less digits than its factorization.

662642284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11625 (or 11623 counting only the distinct ones).

The product of its digits is 221184, while the sum is 40.

The square root of 662642284 is about 25741.8391728330. The cubic root of 662642284 is about 871.8191047341.

The spelling of 662642284 in words is "six hundred sixty-two million, six hundred forty-two thousand, two hundred eighty-four".