106698405 has 24 divisors (see below), whose sum is σ = 187651296. Its totient is φ = 51731680.

The previous prime is 106698401. The next prime is 106698407. The reversal of 106698405 is 504896601.

It is not a de Polignac number, because 106698405 - 2² = 106698401 is a prime.

It is a super-2 number, since 2×106698405² = 22769099259088050, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106698401) 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 23 ways as a sum of consecutive naturals, for example, 27579 + ... + 31208.

It is an arithmetic number, because the mean of its divisors is an integer number (7818804).

Almost surely, 2^106698405 is an apocalyptic number.

106698405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

106698405 is a deficient number, since it is larger than the sum of its proper divisors (80952891).

106698405 is a wasteful number, since it uses less digits than its factorization.

106698405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58817 (or 58806 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 106698405 is about 10329.4920010618. The cubic root of 106698405 is about 474.2994733781.

The spelling of 106698405 in words is "one hundred six million, six hundred ninety-eight thousand, four hundred five".