63890412 has 48 divisors (see below), whose sum is σ = 157489920. Its totient is φ = 20118208.

The previous prime is 63890371. The next prime is 63890417. The reversal of 63890412 is 21409836.

It is not an unprimeable number, because it can be changed into a prime (63890417) 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, 21514 + ... + 24302.

It is an arithmetic number, because the mean of its divisors is an integer number (3281040).

Almost surely, 2^63890412 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63890412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78744960).

63890412 is an abundant number, since it is smaller than the sum of its proper divisors (93599508).

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

63890412 is a wasteful number, since it uses less digits than its factorization.

63890412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2902 (or 2900 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 63890412 is about 7993.1478154730. The cubic root of 63890412 is about 399.7715612308.

The spelling of 63890412 in words is "sixty-three million, eight hundred ninety thousand, four hundred twelve".