84649417 has 8 divisors (see below), whose sum is σ = 85781696. Its totient is φ = 83523312.

The previous prime is 84649399. The next prime is 84649421. The reversal of 84649417 is 71494648.

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 84649417 - 2²³ = 76260809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84649447) 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 7 ways as a sum of consecutive naturals, for example, 30283 + ... + 32959.

It is an arithmetic number, because the mean of its divisors is an integer number (10722712).

Almost surely, 2^84649417 is an apocalyptic number.

It is an amenable number.

84649417 is a deficient number, since it is larger than the sum of its proper divisors (1132279).

84649417 is a wasteful number, since it uses less digits than its factorization.

84649417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3087.

The product of its digits is 193536, while the sum is 43.

The square root of 84649417 is about 9200.5117792436. The cubic root of 84649417 is about 439.0776425682.

The spelling of 84649417 in words is "eighty-four million, six hundred forty-nine thousand, four hundred seventeen".