84667001 has 2 divisors, whose sum is σ = 84667002. Its totient is φ = 84667000.

The previous prime is 84666997. The next prime is 84667007. The reversal of 84667001 is 10076648.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53875600 + 30791401 = 7340^2 + 5549^2 .

It is a cyclic number.

It is not a de Polignac number, because 84667001 - 2² = 84666997 is a prime.

It is equal to p_4925507 and since 84667001 and 4925507 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (84667007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42333500 + 42333501.

It is an arithmetic number, because the mean of its divisors is an integer number (42333501).

Almost surely, 2^84667001 is an apocalyptic number.

It is an amenable number.

84667001 is a deficient number, since it is larger than the sum of its proper divisors (1).

84667001 is an equidigital number, since it uses as much as digits as its factorization.

84667001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 84667001 is about 9201.4673286384. The cubic root of 84667001 is about 439.1080432766.

The spelling of 84667001 in words is "eighty-four million, six hundred sixty-seven thousand, one".