63400212 has 48 divisors (see below), whose sum is σ = 164935680. Its totient is φ = 21060864.

The previous prime is 63400199. The next prime is 63400223. The reversal of 63400212 is 21200436.

It is a happy number.

63400212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37293 + ... + 38955.

It is an arithmetic number, because the mean of its divisors is an integer number (3436160).

Almost surely, 2^63400212 is an apocalyptic number.

It is an amenable number.

63400212 is an abundant number, since it is smaller than the sum of its proper divisors (101535468).

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

63400212 is a wasteful number, since it uses less digits than its factorization.

63400212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2029 (or 2021 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 63400212 is about 7962.4250074961. The cubic root of 63400212 is about 398.7465177252.

Adding to 63400212 its reverse (21200436), we get a palindrome (84600648).

The spelling of 63400212 in words is "sixty-three million, four hundred thousand, two hundred twelve".