63962660 has 12 divisors (see below), whose sum is σ = 134321628. Its totient is φ = 25585056.

The previous prime is 63962651. The next prime is 63962663. The reversal of 63962660 is 6626936.

It can be written as a sum of positive squares in 2 ways, for example, as 47004736 + 16957924 = 6856^2 + 4118^2 .

It is not an unprimeable number, because it can be changed into a prime (63962663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1599047 + ... + 1599086.

It is an arithmetic number, because the mean of its divisors is an integer number (11193469).

Almost surely, 2^63962660 is an apocalyptic number.

It is an amenable number.

63962660 is an abundant number, since it is smaller than the sum of its proper divisors (70358968).

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

63962660 is a wasteful number, since it uses less digits than its factorization.

63962660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3198142 (or 3198140 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 38.

The square root of 63962660 is about 7997.6659095013. The cubic root of 63962660 is about 399.9221931996.

The spelling of 63962660 in words is "sixty-three million, nine hundred sixty-two thousand, six hundred sixty".