106809424 has 20 divisors (see below), whose sum is σ = 215941536. Its totient is φ = 51082592.

The previous prime is 106809421. The next prime is 106809449. The reversal of 106809424 is 424908601.

It is a super-2 number, since 2×106809424² = 22816506110423552, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 106809424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106809421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144754 + ... + 145489.

Almost surely, 2^106809424 is an apocalyptic number.

It is an amenable number.

106809424 is an abundant number, since it is smaller than the sum of its proper divisors (109132112).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

106809424 is a wasteful number, since it uses less digits than its factorization.

106809424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290274 (or 290268 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 106809424 is about 10334.8644887100. The cubic root of 106809424 is about 474.4639182010.

The spelling of 106809424 in words is "one hundred six million, eight hundred nine thousand, four hundred twenty-four".