64898528 has 48 divisors (see below), whose sum is σ = 135490320. Its totient is φ = 30514176.

The previous prime is 64898527. The next prime is 64898539. The reversal of 64898528 is 82589846.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64898527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104876 + ... + 105492.

It is an arithmetic number, because the mean of its divisors is an integer number (2822715).

Almost surely, 2^64898528 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 64898528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67745160).

64898528 is an abundant number, since it is smaller than the sum of its proper divisors (70591792).

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

64898528 is a wasteful number, since it uses less digits than its factorization.

64898528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 819 (or 811 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 50.

The square root of 64898528 is about 8055.9622640626. The cubic root of 64898528 is about 401.8632406925.

The spelling of 64898528 in words is "sixty-four million, eight hundred ninety-eight thousand, five hundred twenty-eight".