65528398 has 12 divisors (see below), whose sum is σ = 106435728. Its totient is φ = 30243720.

The previous prime is 65528383. The next prime is 65528399. The reversal of 65528398 is 89382556.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65528399) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 96598 + ... + 97273.

It is an arithmetic number, because the mean of its divisors is an integer number (8869644).

Almost surely, 2^65528398 is an apocalyptic number.

65528398 is a deficient number, since it is larger than the sum of its proper divisors (40907330).

65528398 is a wasteful number, since it uses less digits than its factorization.

65528398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193899 (or 193886 counting only the distinct ones).

The product of its digits is 518400, while the sum is 46.

The square root of 65528398 is about 8094.9612722977. The cubic root of 65528398 is about 403.1591463013.

The spelling of 65528398 in words is "sixty-five million, five hundred twenty-eight thousand, three hundred ninety-eight".