106890856 has 8 divisors (see below), whose sum is σ = 200420370. Its totient is φ = 53445424.

The previous prime is 106890851. The next prime is 106890859. The reversal of 106890856 is 658098601.

It can be written as a sum of positive squares in only one way, i.e., 68326756 + 38564100 = 8266^2 + 6210^2 .

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

It is a super-2 number, since 2×106890856² = 22851310192825472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (106890851) 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 as a sum of consecutive naturals, namely, 6680671 + ... + 6680686.

Almost surely, 2^106890856 is an apocalyptic number.

It is an amenable number.

106890856 is a deficient number, since it is larger than the sum of its proper divisors (93529514).

106890856 is a wasteful number, since it uses less digits than its factorization.

106890856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13361363 (or 13361359 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 43.

The square root of 106890856 is about 10338.8034123877. The cubic root of 106890856 is about 474.5844654012.

The spelling of 106890856 in words is "one hundred six million, eight hundred ninety thousand, eight hundred fifty-six".