106404809 has 8 divisors (see below), whose sum is σ = 122129280. Its totient is φ = 90811296.

The previous prime is 106404797. The next prime is 106404811. The reversal of 106404809 is 908404601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 106404809 - 2¹² = 106400713 is a prime.

It is a super-2 number, since 2×106404809² = 22643966756652962, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (106404839) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30989 + ... + 34250.

It is an arithmetic number, because the mean of its divisors is an integer number (15266160).

Almost surely, 2^106404809 is an apocalyptic number.

It is an amenable number.

106404809 is a deficient number, since it is larger than the sum of its proper divisors (15724471).

106404809 is an equidigital number, since it uses as much as digits as its factorization.

106404809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65479.

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

The square root of 106404809 is about 10315.2706702248. The cubic root of 106404809 is about 473.8640393521.

The spelling of 106404809 in words is "one hundred six million, four hundred four thousand, eight hundred nine".