63446346 has 24 divisors (see below), whose sum is σ = 145554084. Its totient is φ = 19904640.

The previous prime is 63446333. The next prime is 63446347. The reversal of 63446346 is 64364436.

It can be written as a sum of positive squares in 2 ways, for example, as 50765625 + 12680721 = 7125^2 + 3561^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 63446346.

It is not an unprimeable number, because it can be changed into a prime (63446347) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 103365 + ... + 103976.

Almost surely, 2^63446346 is an apocalyptic number.

63446346 is an abundant number, since it is smaller than the sum of its proper divisors (82107738).

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

63446346 is a wasteful number, since it uses less digits than its factorization.

63446346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207366 (or 207363 counting only the distinct ones).

The product of its digits is 124416, while the sum is 36.

The square root of 63446346 is about 7965.3214624395. The cubic root of 63446346 is about 398.8432119954.

The spelling of 63446346 in words is "sixty-three million, four hundred forty-six thousand, three hundred forty-six".