102798589 has 4 divisors (see below), whose sum is σ = 102847456. Its totient is φ = 102749724.

The previous prime is 102798587. The next prime is 102798599. The reversal of 102798589 is 985897201.

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.

It is a cyclic number.

It is not a de Polignac number, because 102798589 - 2¹ = 102798587 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102798587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21129 + ... + 25534.

It is an arithmetic number, because the mean of its divisors is an integer number (25711864).

Almost surely, 2^102798589 is an apocalyptic number.

It is an amenable number.

102798589 is a deficient number, since it is larger than the sum of its proper divisors (48867).

102798589 is an equidigital number, since it uses as much as digits as its factorization.

102798589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48866.

The product of its (nonzero) digits is 362880, while the sum is 49.

The square root of 102798589 is about 10138.9639017012. The cubic root of 102798589 is about 468.4490737220.

The spelling of 102798589 in words is "one hundred two million, seven hundred ninety-eight thousand, five hundred eighty-nine".