84399419 has 8 divisors (see below), whose sum is σ = 91095312. Its totient is φ = 77732640.

The previous prime is 84399389. The next prime is 84399433. The reversal of 84399419 is 91499348.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 84399419 - 2¹² = 84395323 is a prime.

It is a super-2 number, since 2×84399419² = 14246523855075122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84399439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1049 + ... + 13034.

It is an arithmetic number, because the mean of its divisors is an integer number (11386914).

Almost surely, 2^84399419 is an apocalyptic number.

84399419 is a deficient number, since it is larger than the sum of its proper divisors (6695893).

84399419 is a wasteful number, since it uses less digits than its factorization.

84399419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14557.

The product of its digits is 279936, while the sum is 47.

The square root of 84399419 is about 9186.9156412803. The cubic root of 84399419 is about 438.6449687036.

The spelling of 84399419 in words is "eighty-four million, three hundred ninety-nine thousand, four hundred nineteen".