84084001 has 2 divisors, whose sum is σ = 84084002. Its totient is φ = 84084000.

The previous prime is 84083981. The next prime is 84084031. The reversal of 84084001 is 10048048.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46580625 + 37503376 = 6825^2 + 6124^2 .

It is a cyclic number.

It is not a de Polignac number, because 84084001 - 2²³ = 75695393 is a prime.

It is not a weakly prime, because it can be changed into another prime (84084031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42042000 + 42042001.

It is an arithmetic number, because the mean of its divisors is an integer number (42042001).

Almost surely, 2^84084001 is an apocalyptic number.

It is an amenable number.

84084001 is a deficient number, since it is larger than the sum of its proper divisors (1).

84084001 is an equidigital number, since it uses as much as digits as its factorization.

84084001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1024, while the sum is 25.

The square root of 84084001 is about 9169.7328750624. The cubic root of 84084001 is about 438.0978510626.

The spelling of 84084001 in words is "eighty-four million, eighty-four thousand, one".