63442838 has 4 divisors (see below), whose sum is σ = 95164260. Its totient is φ = 31721418.

The previous prime is 63442837. The next prime is 63442889. The reversal of 63442838 is 83824436.

63442838 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63442837) 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 as a sum of consecutive naturals, namely, 15860708 + ... + 15860711.

It is an arithmetic number, because the mean of its divisors is an integer number (23791065).

Almost surely, 2^63442838 is an apocalyptic number.

63442838 is a deficient number, since it is larger than the sum of its proper divisors (31721422).

63442838 is a wasteful number, since it uses less digits than its factorization.

63442838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31721421.

The product of its digits is 110592, while the sum is 38.

The square root of 63442838 is about 7965.1012548492. The cubic root of 63442838 is about 398.8358610715.

The spelling of 63442838 in words is "sixty-three million, four hundred forty-two thousand, eight hundred thirty-eight".