106988917 has 16 divisors (see below), whose sum is σ = 127445760. Its totient is φ = 87873408.

The previous prime is 106988911. The next prime is 106988929. The reversal of 106988917 is 719889601.

It is not a de Polignac number, because 106988917 - 2⁷ = 106988789 is a prime.

It is a super-2 number, since 2×106988917² = 22893256721665778, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106988911) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25888 + ... + 29734.

It is an arithmetic number, because the mean of its divisors is an integer number (7965360).

Almost surely, 2^106988917 is an apocalyptic number.

It is an amenable number.

106988917 is a deficient number, since it is larger than the sum of its proper divisors (20456843).

106988917 is a wasteful number, since it uses less digits than its factorization.

106988917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4020.

The product of its (nonzero) digits is 217728, while the sum is 49.

The square root of 106988917 is about 10343.5447018902. The cubic root of 106988917 is about 474.7295479803.

The spelling of 106988917 in words is "one hundred six million, nine hundred eighty-eight thousand, nine hundred seventeen".