106689928 has 8 divisors (see below), whose sum is σ = 200043630. Its totient is φ = 53344960.

The previous prime is 106689899. The next prime is 106689931. The reversal of 106689928 is 829986601.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 73994404 + 32695524 = 8602^2 + 5718^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×106689928² = 22765481473290368, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6668113 + ... + 6668128.

Almost surely, 2^106689928 is an apocalyptic number.

It is an amenable number.

106689928 is a deficient number, since it is larger than the sum of its proper divisors (93353702).

106689928 is a wasteful number, since it uses less digits than its factorization.

106689928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13336247 (or 13336243 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 49.

The square root of 106689928 is about 10329.0816629553. The cubic root of 106689928 is about 474.2869122933.

The spelling of 106689928 in words is "one hundred six million, six hundred eighty-nine thousand, nine hundred twenty-eight".