662239964 has 48 divisors (see below), whose sum is σ = 1265362560. Its totient is φ = 302054400.

The previous prime is 662239957. The next prime is 662239967. The reversal of 662239964 is 469932266.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662239967) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 347414 + ... + 349314.

It is an arithmetic number, because the mean of its divisors is an integer number (26361720).

Almost surely, 2^662239964 is an apocalyptic number.

It is an amenable number.

662239964 is a deficient number, since it is larger than the sum of its proper divisors (603122596).

662239964 is a wasteful number, since it uses less digits than its factorization.

662239964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2078 (or 2076 counting only the distinct ones).

The product of its digits is 839808, while the sum is 47.

The square root of 662239964 is about 25734.0234708838. The cubic root of 662239964 is about 871.6426287881.

The spelling of 662239964 in words is "six hundred sixty-two million, two hundred thirty-nine thousand, nine hundred sixty-four".