106440443 has 4 divisors (see below), whose sum is σ = 106742328. Its totient is φ = 106138560.

The previous prime is 106440409. The next prime is 106440457. The reversal of 106440443 is 344044601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 344044601 = 347 ⋅991483.

It is a cyclic number.

It is not a de Polignac number, because 106440443 - 2¹⁰ = 106439419 is a prime.

It is a super-2 number, since 2×106440443² = 22659135812072498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106440403) 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, 150413 + ... + 151118.

It is an arithmetic number, because the mean of its divisors is an integer number (26685582).

Almost surely, 2^106440443 is an apocalyptic number.

106440443 is a deficient number, since it is larger than the sum of its proper divisors (301885).

106440443 is an equidigital number, since it uses as much as digits as its factorization.

106440443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301884.

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 106440443 is about 10316.9977706695. The cubic root of 106440443 is about 473.9169310298.

The spelling of 106440443 in words is "one hundred six million, four hundred forty thousand, four hundred forty-three".