689030111 has 48 divisors (see below), whose sum is σ = 958119840. Its totient is φ = 487710720.

The previous prime is 689030101. The next prime is 689030119. The reversal of 689030111 is 111030986.

It is a happy number.

It is not a de Polignac number, because 689030111 - 2⁶ = 689030047 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (689030119) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 264431 + ... + 267023.

It is an arithmetic number, because the mean of its divisors is an integer number (19960830).

Almost surely, 2^689030111 is an apocalyptic number.

689030111 is a deficient number, since it is larger than the sum of its proper divisors (269089729).

689030111 is a wasteful number, since it uses less digits than its factorization.

689030111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2664 (or 2657 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 689030111 is about 26249.3830594168. The cubic root of 689030111 is about 883.2413653233.

The spelling of 689030111 in words is "six hundred eighty-nine million, thirty thousand, one hundred eleven".