63443814 has 32 divisors (see below), whose sum is σ = 145414656. Its totient is φ = 18076800.

The previous prime is 63443797. The next prime is 63443819. The reversal of 63443814 is 41834436.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63443819) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14959 + ... + 18725.

It is an arithmetic number, because the mean of its divisors is an integer number (4544208).

Almost surely, 2^63443814 is an apocalyptic number.

63443814 is an abundant number, since it is smaller than the sum of its proper divisors (81970842).

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

63443814 is a wasteful number, since it uses less digits than its factorization.

63443814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4180.

The product of its digits is 27648, while the sum is 33.

The square root of 63443814 is about 7965.1625218824. The cubic root of 63443814 is about 398.8379062816.

The spelling of 63443814 in words is "sixty-three million, four hundred forty-three thousand, eight hundred fourteen".