63490000 has 100 divisors (see below), whose sum is σ = 175868704. Its totient is φ = 21744000.

The previous prime is 63489989. The next prime is 63490027. The reversal of 63490000 is 9436.

63490000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (100).

It is a congruent number.

It is an unprimeable number.

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 in 19 ways as a sum of consecutive naturals, for example, 69547 + ... + 70453.

Almost surely, 2^63490000 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 63490000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87934352).

63490000 is an abundant number, since it is smaller than the sum of its proper divisors (112378704).

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

63490000 is an equidigital number, since it uses as much as digits as its factorization.

63490000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 942 (or 921 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 63490000 is about 7968.0612447445. The cubic root of 63490000 is about 398.9346651732.

Adding to 63490000 its reverse (9436), we get a palindrome (63499436).

The spelling of 63490000 in words is "sixty-three million, four hundred ninety thousand".