98428513 has 4 divisors (see below), whose sum is σ = 98499780. Its totient is φ = 98357248.

The previous prime is 98428483. The next prime is 98428529. The reversal of 98428513 is 31582489.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13198689 + 85229824 = 3633^2 + 9232^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98428513 is a prime.

It is a deceptive number, since it divides R_98428512.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98428613) 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, 33520 + ... + 36337.

It is an arithmetic number, because the mean of its divisors is an integer number (24624945).

Almost surely, 2^98428513 is an apocalyptic number.

It is an amenable number.

98428513 is a deficient number, since it is larger than the sum of its proper divisors (71267).

98428513 is a wasteful number, since it uses less digits than its factorization.

98428513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71266.

The product of its digits is 69120, while the sum is 40.

The square root of 98428513 is about 9921.1145039255. The cubic root of 98428513 is about 461.7146357787.

The spelling of 98428513 in words is "ninety-eight million, four hundred twenty-eight thousand, five hundred thirteen".