63428589 has 48 divisors (see below), whose sum is σ = 110947200. Its totient is φ = 36197280.

The previous prime is 63428587. The next prime is 63428611. The reversal of 63428589 is 98582436.

63428589 is a `hidden beast` number, since 63 + 4 + 2 + 8 + 589 = 666.

It is not a de Polignac number, because 63428589 - 2¹ = 63428587 is a prime.

It is a super-4 number, since 4×63428589⁴ (a number of 32 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63428587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 82969 + ... + 83729.

It is an arithmetic number, because the mean of its divisors is an integer number (2311400).

Almost surely, 2^63428589 is an apocalyptic number.

It is an amenable number.

63428589 is a deficient number, since it is larger than the sum of its proper divisors (47518611).

63428589 is an frugal number, since it uses more digits than its factorization.

63428589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797 (or 771 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The square root of 63428589 is about 7964.2067401594. The cubic root of 63428589 is about 398.8059998722.

The spelling of 63428589 in words is "sixty-three million, four hundred twenty-eight thousand, five hundred eighty-nine".