109489671 has 16 divisors (see below), whose sum is σ = 162392320. Its totient is φ = 72909720.

The previous prime is 109489651. The next prime is 109489687. The reversal of 109489671 is 176984901.

It is a happy number.

109489671 is a `hidden beast` number, since 109 + 489 + 67 + 1 = 666.

It is not a de Polignac number, because 109489671 - 2⁶ = 109489607 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 (109489651) 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 15 ways as a sum of consecutive naturals, for example, 29886 + ... + 33348.

It is an arithmetic number, because the mean of its divisors is an integer number (10149520).

Almost surely, 2^109489671 is an apocalyptic number.

109489671 is a deficient number, since it is larger than the sum of its proper divisors (52902649).

109489671 is a wasteful number, since it uses less digits than its factorization.

109489671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4643 (or 4637 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 45.

The square root of 109489671 is about 10463.7312178783. The cubic root of 109489671 is about 478.3998670200.

The spelling of 109489671 in words is "one hundred nine million, four hundred eighty-nine thousand, six hundred seventy-one".