8861401 has 2 divisors, whose sum is σ = 8861402. Its totient is φ = 8861400.

The previous prime is 8861393. The next prime is 8861423. The reversal of 8861401 is 1041688.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8094025 + 767376 = 2845^2 + 876^2 .

It is a cyclic number.

It is not a de Polignac number, because 8861401 - 2³ = 8861393 is a prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 8861401.

It is not a weakly prime, because it can be changed into another prime (8861491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4430700 + 4430701.

It is an arithmetic number, because the mean of its divisors is an integer number (4430701).

Almost surely, 2^8861401 is an apocalyptic number.

It is an amenable number.

8861401 is a deficient number, since it is larger than the sum of its proper divisors (1).

8861401 is an equidigital number, since it uses as much as digits as its factorization.

8861401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 28.

The square root of 8861401 is about 2976.8105415024. The cubic root of 8861401 is about 206.9350850927.

The spelling of 8861401 in words is "eight million, eight hundred sixty-one thousand, four hundred one".