84480417 has 12 divisors (see below), whose sum is σ = 139459840. Its totient is φ = 48274488.

The previous prime is 84480401. The next prime is 84480419. The reversal of 84480417 is 71408448.

It is a happy number.

It is not a de Polignac number, because 84480417 - 2⁴ = 84480401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84480419) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 670417 + ... + 670542.

Almost surely, 2^84480417 is an apocalyptic number.

It is an amenable number.

84480417 is a deficient number, since it is larger than the sum of its proper divisors (54979423).

84480417 is a wasteful number, since it uses less digits than its factorization.

84480417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1340972 (or 1340969 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 36.

The square root of 84480417 is about 9191.3229189274. The cubic root of 84480417 is about 438.7852461519.

The spelling of 84480417 in words is "eighty-four million, four hundred eighty thousand, four hundred seventeen".