109806404 has 6 divisors (see below), whose sum is σ = 192161214. Its totient is φ = 54903200.

The previous prime is 109806397. The next prime is 109806413. The reversal of 109806404 is 404608901.

It can be written as a sum of positive squares in only one way, i.e., 82264900 + 27541504 = 9070^2 + 5248^2 .

It is a super-2 number, since 2×109806404² = 24114892718822432, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13725797 + ... + 13725804.

It is an arithmetic number, because the mean of its divisors is an integer number (32026869).

Almost surely, 2^109806404 is an apocalyptic number.

It is an amenable number.

109806404 is a deficient number, since it is larger than the sum of its proper divisors (82354810).

109806404 is a wasteful number, since it uses less digits than its factorization.

109806404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27451605 (or 27451603 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 109806404 is about 10478.8550901327. The cubic root of 109806404 is about 478.8607298178.

The spelling of 109806404 in words is "one hundred nine million, eight hundred six thousand, four hundred four".