98509893 has 4 divisors (see below), whose sum is σ = 131346528. Its totient is φ = 65673260.

The previous prime is 98509891. The next prime is 98509907. The reversal of 98509893 is 39890589.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 39890589 = 3 ⋅13296863.

It is a cyclic number.

It is not a de Polignac number, because 98509893 - 2¹ = 98509891 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98509891) 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, 16418313 + ... + 16418318.

It is an arithmetic number, because the mean of its divisors is an integer number (32836632).

Almost surely, 2^98509893 is an apocalyptic number.

It is an amenable number.

98509893 is a deficient number, since it is larger than the sum of its proper divisors (32836635).

98509893 is a wasteful number, since it uses less digits than its factorization.

98509893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32836634.

The product of its (nonzero) digits is 699840, while the sum is 51.

The square root of 98509893 is about 9925.2150102655. The cubic root of 98509893 is about 461.8418481933.

The spelling of 98509893 in words is "ninety-eight million, five hundred nine thousand, eight hundred ninety-three".