63400946 has 16 divisors (see below), whose sum is σ = 109810176. Its totient is φ = 26891136.

The previous prime is 63400937. The next prime is 63400957. The reversal of 63400946 is 64900436.

It is a Curzon number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 21986 + ... + 24701.

It is an arithmetic number, because the mean of its divisors is an integer number (6863136).

Almost surely, 2^63400946 is an apocalyptic number.

63400946 is a deficient number, since it is larger than the sum of its proper divisors (46409230).

63400946 is a wasteful number, since it uses less digits than its factorization.

63400946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46793.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 63400946 is about 7962.4710988486. The cubic root of 63400946 is about 398.7480565151.

It can be divided in two parts, 63400 and 946, that added together give a palindrome (64346).

The spelling of 63400946 in words is "sixty-three million, four hundred thousand, nine hundred forty-six".