84000419 has 4 divisors (see below), whose sum is σ = 84274344. Its totient is φ = 83726496.

The previous prime is 84000409. The next prime is 84000437. The reversal of 84000419 is 91400048.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 84000419 - 2⁴ = 84000403 is a prime.

It is a super-2 number, since 2×84000419² = 14112140784351122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84000409) 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 in 3 ways as a sum of consecutive naturals, for example, 136502 + ... + 137115.

It is an arithmetic number, because the mean of its divisors is an integer number (21068586).

Almost surely, 2^84000419 is an apocalyptic number.

84000419 is a deficient number, since it is larger than the sum of its proper divisors (273925).

84000419 is a wasteful number, since it uses less digits than its factorization.

84000419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273924.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 84000419 is about 9165.1742482072. The cubic root of 84000419 is about 437.9526421695.

The spelling of 84000419 in words is "eighty-four million, four hundred nineteen", and thus it is an aban number.