109846621 has 2 divisors, whose sum is σ = 109846622. Its totient is φ = 109846620.

The previous prime is 109846589. The next prime is 109846637. The reversal of 109846621 is 126648901.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68244121 + 41602500 = 8261^2 + 6450^2 .

It is an emirp because it is prime and its reverse (126648901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 109846621 - 2⁵ = 109846589 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109846021) by changing a digit.

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, 54923310 + 54923311.

It is an arithmetic number, because the mean of its divisors is an integer number (54923311).

Almost surely, 2^109846621 is an apocalyptic number.

It is an amenable number.

109846621 is a deficient number, since it is larger than the sum of its proper divisors (1).

109846621 is an equidigital number, since it uses as much as digits as its factorization.

109846621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 109846621 is about 10480.7738740992. The cubic root of 109846621 is about 478.9191841842.

The spelling of 109846621 in words is "one hundred nine million, eight hundred forty-six thousand, six hundred twenty-one".