84388465 has 16 divisors (see below), whose sum is σ = 117037440. Its totient is φ = 57214080.

The previous prime is 84388457. The next prime is 84388471. The reversal of 84388465 is 56488348.

It is not a de Polignac number, because 84388465 - 2³ = 84388457 is a prime.

It is a super-3 number, since 3×84388465³ (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 10431 + ... + 16660.

It is an arithmetic number, because the mean of its divisors is an integer number (7314840).

Almost surely, 2^84388465 is an apocalyptic number.

It is an amenable number.

84388465 is a deficient number, since it is larger than the sum of its proper divisors (32648975).

84388465 is a wasteful number, since it uses less digits than its factorization.

84388465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27192.

The product of its digits is 737280, while the sum is 46.

The square root of 84388465 is about 9186.3194479617. The cubic root of 84388465 is about 438.6259909865.

The spelling of 84388465 in words is "eighty-four million, three hundred eighty-eight thousand, four hundred sixty-five".