64882428 has 48 divisors (see below), whose sum is σ = 165035136. Its totient is φ = 19719360.

The previous prime is 64882417. The next prime is 64882451. The reversal of 64882428 is 82428846.

It is a self number, because there is not a number n which added to its sum of digits gives 64882428.

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, 10443 + ... + 15453.

It is an arithmetic number, because the mean of its divisors is an integer number (3438232).

Almost surely, 2^64882428 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 64882428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82517568).

64882428 is an abundant number, since it is smaller than the sum of its proper divisors (100152708).

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

64882428 is a wasteful number, since it uses less digits than its factorization.

64882428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5114 (or 5112 counting only the distinct ones).

The product of its digits is 196608, while the sum is 42.

The square root of 64882428 is about 8054.9629421866. The cubic root of 64882428 is about 401.8300065886.

The spelling of 64882428 in words is "sixty-four million, eight hundred eighty-two thousand, four hundred twenty-eight".