63890043 has 16 divisors (see below), whose sum is σ = 97509120. Its totient is φ = 36451296.

The previous prime is 63890041. The next prime is 63890053. The reversal of 63890043 is 34009836.

It is not a de Polignac number, because 63890043 - 2¹ = 63890041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 63889986 and 63890013.

It is not an unprimeable number, because it can be changed into a prime (63890041) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 13888 + ... + 17906.

It is an arithmetic number, because the mean of its divisors is an integer number (6094320).

Almost surely, 2^63890043 is an apocalyptic number.

63890043 is a deficient number, since it is larger than the sum of its proper divisors (33619077).

63890043 is a wasteful number, since it uses less digits than its factorization.

63890043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4786.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 63890043 is about 7993.1247331691. The cubic root of 63890043 is about 399.7707916005.

Adding to 63890043 its reverse (34009836), we get a palindrome (97899879).

The spelling of 63890043 in words is "sixty-three million, eight hundred ninety thousand, forty-three".