106321917 has 16 divisors (see below), whose sum is σ = 157933440. Its totient is φ = 63172032.

The previous prime is 106321907. The next prime is 106321937. The reversal of 106321917 is 719123601.

It is a de Polignac number, because none of the positive numbers 2^k-106321917 is a prime.

It is a super-2 number, since 2×106321917² = 22608700069109778, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106321907) 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, 45873 + ... + 48134.

It is an arithmetic number, because the mean of its divisors is an integer number (9870840).

Almost surely, 2^106321917 is an apocalyptic number.

It is an amenable number.

106321917 is a deficient number, since it is larger than the sum of its proper divisors (51611523).

106321917 is a wasteful number, since it uses less digits than its factorization.

106321917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94052.

The product of its (nonzero) digits is 2268, while the sum is 30.

The square root of 106321917 is about 10311.2519608436. The cubic root of 106321917 is about 473.7409567501.

The spelling of 106321917 in words is "one hundred six million, three hundred twenty-one thousand, nine hundred seventeen".