93601621 has 2 divisors, whose sum is σ = 93601622. Its totient is φ = 93601620.

The previous prime is 93601597. The next prime is 93601631. The reversal of 93601621 is 12610639.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 91680625 + 1920996 = 9575^2 + 1386^2 .

It is a cyclic number.

It is not a de Polignac number, because 93601621 - 2¹¹ = 93599573 is a prime.

It is a super-2 number, since 2×93601621² = 17522526907655282, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 93601621.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (93601631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46800810 + 46800811.

It is an arithmetic number, because the mean of its divisors is an integer number (46800811).

Almost surely, 2^93601621 is an apocalyptic number.

It is an amenable number.

93601621 is a deficient number, since it is larger than the sum of its proper divisors (1).

93601621 is an equidigital number, since it uses as much as digits as its factorization.

93601621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 93601621 is about 9674.7930727225. The cubic root of 93601621 is about 454.0403571802.

The spelling of 93601621 in words is "ninety-three million, six hundred one thousand, six hundred twenty-one".