105976489 has 2 divisors, whose sum is σ = 105976490. Its totient is φ = 105976488.

The previous prime is 105976463. The next prime is 105976523. The reversal of 105976489 is 984679501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94867600 + 11108889 = 9740^2 + 3333^2 .

It is a cyclic number.

It is not a de Polignac number, because 105976489 - 2¹¹ = 105974441 is a prime.

It is a super-2 number, since 2×105976489² = 22462032441534242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (105976439) 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, 52988244 + 52988245.

It is an arithmetic number, because the mean of its divisors is an integer number (52988245).

Almost surely, 2^105976489 is an apocalyptic number.

It is an amenable number.

105976489 is a deficient number, since it is larger than the sum of its proper divisors (1).

105976489 is an equidigital number, since it uses as much as digits as its factorization.

105976489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 544320, while the sum is 49.

The square root of 105976489 is about 10294.4882825714. The cubic root of 105976489 is about 473.2273563684.

The spelling of 105976489 in words is "one hundred five million, nine hundred seventy-six thousand, four hundred eighty-nine".