106649808 has 20 divisors (see below), whose sum is σ = 275512128. Its totient is φ = 35549920.

The previous prime is 106649801. The next prime is 106649813. The reversal of 106649808 is 808946601.

It is a super-2 number, since 2×106649808² = 22748363092873728, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 106649808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106649801) 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 3 ways as a sum of consecutive naturals, for example, 1110888 + ... + 1110983.

Almost surely, 2^106649808 is an apocalyptic number.

It is an amenable number.

106649808 is an abundant number, since it is smaller than the sum of its proper divisors (168862320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

106649808 is a wasteful number, since it uses less digits than its factorization.

106649808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2221882 (or 2221876 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 106649808 is about 10327.1393909446. The cubic root of 106649808 is about 474.2274540828.

The spelling of 106649808 in words is "one hundred six million, six hundred forty-nine thousand, eight hundred eight".