106646404 has 6 divisors (see below), whose sum is σ = 186631214. Its totient is φ = 53323200.

The previous prime is 106646387. The next prime is 106646429. The reversal of 106646404 is 404646601.

It can be written as a sum of positive squares in only one way, i.e., 90630400 + 16016004 = 9520^2 + 4002^2 .

It is a super-2 number, since 2×106646404² = 22746910972262432, which contains 22 as substring.

It is an unprimeable number.

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, 13330797 + ... + 13330804.

Almost surely, 2^106646404 is an apocalyptic number.

It is an amenable number.

106646404 is a deficient number, since it is larger than the sum of its proper divisors (79984810).

106646404 is a wasteful number, since it uses less digits than its factorization.

106646404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26661605 (or 26661603 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 106646404 is about 10326.9745811636. The cubic root of 106646404 is about 474.2224086372. Note that the first 3 decimals are identical.

The spelling of 106646404 in words is "one hundred six million, six hundred forty-six thousand, four hundred four".