98528399 has 4 divisors (see below), whose sum is σ = 101925960. Its totient is φ = 95130840.

The previous prime is 98528393. The next prime is 98528401. The reversal of 98528399 is 99382589.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99382589 = 43 ⋅2311223.

It is a cyclic number.

It is not a de Polignac number, because 98528399 - 2⁴ = 98528383 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 98528399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98528393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1698737 + ... + 1698794.

It is an arithmetic number, because the mean of its divisors is an integer number (25481490).

Almost surely, 2^98528399 is an apocalyptic number.

98528399 is a deficient number, since it is larger than the sum of its proper divisors (3397561).

98528399 is a wasteful number, since it uses less digits than its factorization.

98528399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3397560.

The product of its digits is 1399680, while the sum is 53.

The square root of 98528399 is about 9926.1472384808. The cubic root of 98528399 is about 461.8707668120.

The spelling of 98528399 in words is "ninety-eight million, five hundred twenty-eight thousand, three hundred ninety-nine".