109006893 has 6 divisors (see below), whose sum is σ = 157454414. Its totient is φ = 72671256.

The previous prime is 109006889. The next prime is 109006897. The reversal of 109006893 is 398600901.

It is an interprime number because it is at equal distance from previous prime (109006889) and next prime (109006897).

It can be written as a sum of positive squares in only one way, i.e., 106440489 + 2566404 = 10317^2 + 1602^2 .

It is not a de Polignac number, because 109006893 - 2² = 109006889 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109006897) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6055930 + ... + 6055947.

Almost surely, 2^109006893 is an apocalyptic number.

It is an amenable number.

109006893 is a deficient number, since it is larger than the sum of its proper divisors (48447521).

109006893 is a wasteful number, since it uses less digits than its factorization.

109006893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12111883 (or 12111880 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 109006893 is about 10440.6366185209. The cubic root of 109006893 is about 477.6956872704.

The spelling of 109006893 in words is "one hundred nine million, six thousand, eight hundred ninety-three".