84407 has 2 divisors, whose sum is σ = 84408. Its totient is φ = 84406.

The previous prime is 84401. The next prime is 84421. The reversal of 84407 is 70448.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84407 - 2⁴ = 84391 is a prime.

It is a plaindrome in base 8.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 84407.

It is not a weakly prime, because it can be changed into another prime (84401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42203 + 42204.

It is an arithmetic number, because the mean of its divisors is an integer number (42204).

2⁸⁴⁴⁰⁷ is an apocalyptic number.

84407 is a deficient number, since it is larger than the sum of its proper divisors (1).

84407 is an equidigital number, since it uses as much as digits as its factorization.

84407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 84407 is about 290.5288281737. The cubic root of 84407 is about 43.8658101764.

The spelling of 84407 in words is "eighty-four thousand, four hundred seven".