105498789 has 8 divisors (see below), whose sum is σ = 153452832. Its totient is φ = 63938640.

The previous prime is 105498751. The next prime is 105498791. The reversal of 105498789 is 987894501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 105498789 - 2⁷ = 105498661 is a prime.

It is a super-2 number, since 2×105498789² = 22259988960933042, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105498739) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1598434 + ... + 1598499.

It is an arithmetic number, because the mean of its divisors is an integer number (19181604).

Almost surely, 2^105498789 is an apocalyptic number.

It is an amenable number.

105498789 is a deficient number, since it is larger than the sum of its proper divisors (47954043).

105498789 is a wasteful number, since it uses less digits than its factorization.

105498789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3196947.

The product of its (nonzero) digits is 725760, while the sum is 51.

The square root of 105498789 is about 10271.2603413603. The cubic root of 105498789 is about 472.5152448820.

It can be divided in two parts, 105 and 498789, that added together give a palindrome (498894).

The spelling of 105498789 in words is "one hundred five million, four hundred ninety-eight thousand, seven hundred eighty-nine".