63289464 has 64 divisors (see below), whose sum is σ = 185053440. Its totient is φ = 17660160.

The previous prime is 63289459. The next prime is 63289481. The reversal of 63289464 is 46498236.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2844 + ... + 11604.

It is an arithmetic number, because the mean of its divisors is an integer number (2891460).

Almost surely, 2^63289464 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 63289464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92526720).

63289464 is an abundant number, since it is smaller than the sum of its proper divisors (121763976).

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

63289464 is a wasteful number, since it uses less digits than its factorization.

63289464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8820 (or 8816 counting only the distinct ones).

The product of its digits is 248832, while the sum is 42.

The square root of 63289464 is about 7955.4675538274. The cubic root of 63289464 is about 398.5142045296.

The spelling of 63289464 in words is "sixty-three million, two hundred eighty-nine thousand, four hundred sixty-four".