1086604621 has 2 divisors, whose sum is σ = 1086604622. Its totient is φ = 1086604620.

The previous prime is 1086604601. The next prime is 1086604637. The reversal of 1086604621 is 1264066801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1029768100 + 56836521 = 32090^2 + 7539^2 .

It is a cyclic number.

It is not a de Polignac number, because 1086604621 - 2¹⁵ = 1086571853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1086604601) 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, 543302310 + 543302311.

It is an arithmetic number, because the mean of its divisors is an integer number (543302311).

Almost surely, 2^1086604621 is an apocalyptic number.

It is an amenable number.

1086604621 is a deficient number, since it is larger than the sum of its proper divisors (1).

1086604621 is an equidigital number, since it uses as much as digits as its factorization.

1086604621 is an odious number, because the sum of its binary digits is odd.

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

The square root of 1086604621 is about 32963.6863988238. The cubic root of 1086604621 is about 1028.0727530180.

The spelling of 1086604621 in words is "one billion, eighty-six million, six hundred four thousand, six hundred twenty-one".