84705249 has 8 divisors (see below), whose sum is σ = 118884640. Its totient is φ = 53498016.

The previous prime is 84705241. The next prime is 84705263. The reversal of 84705249 is 94250748.

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

It is not a de Polignac number, because 84705249 - 2³ = 84705241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84705241) 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, 742972 + ... + 743085.

It is an arithmetic number, because the mean of its divisors is an integer number (14860580).

Almost surely, 2^84705249 is an apocalyptic number.

It is an amenable number.

84705249 is a deficient number, since it is larger than the sum of its proper divisors (34179391).

84705249 is a wasteful number, since it uses less digits than its factorization.

84705249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1486079.

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 84705249 is about 9203.5454581373. The cubic root of 84705249 is about 439.1741551260.

The spelling of 84705249 in words is "eighty-four million, seven hundred five thousand, two hundred forty-nine".