63409346 has 64 divisors (see below), whose sum is σ = 134507520. Its totient is φ = 21591360.

The previous prime is 63409343. The next prime is 63409349. The reversal of 63409346 is 64390436.

It is a happy number.

63409346 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (63409343) and next prime (63409349).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (63409343) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 37205 + ... + 38871.

It is an arithmetic number, because the mean of its divisors is an integer number (2101680).

Almost surely, 2^63409346 is an apocalyptic number.

63409346 is an abundant number, since it is smaller than the sum of its proper divisors (71098174).

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

63409346 is a wasteful number, since it uses less digits than its factorization.

63409346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1719.

The product of its (nonzero) digits is 46656, while the sum is 35.

The square root of 63409346 is about 7962.9985558205. The cubic root of 63409346 is about 398.7656657990.

The spelling of 63409346 in words is "sixty-three million, four hundred nine thousand, three hundred forty-six".