106889243 has 2 divisors, whose sum is σ = 106889244. Its totient is φ = 106889242.

The previous prime is 106889219. The next prime is 106889281. The reversal of 106889243 is 342988601.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 106889243 - 2⁸ = 106888987 is a prime.

It is a super-2 number, since 2×106889243² = 22850620538226098, 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 106889243.

It is not a weakly prime, because it can be changed into another prime (106889743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53444621 + 53444622.

It is an arithmetic number, because the mean of its divisors is an integer number (53444622).

Almost surely, 2^106889243 is an apocalyptic number.

106889243 is a deficient number, since it is larger than the sum of its proper divisors (1).

106889243 is an equidigital number, since it uses as much as digits as its factorization.

106889243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 106889243 is about 10338.7254050004. The cubic root of 106889243 is about 474.5820782042.

The spelling of 106889243 in words is "one hundred six million, eight hundred eighty-nine thousand, two hundred forty-three".