84949615 has 8 divisors (see below), whose sum is σ = 101989008. Its totient is φ = 67926720.

The previous prime is 84949607. The next prime is 84949643. The reversal of 84949615 is 51694948.

It is a happy number.

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

It is not a de Polignac number, because 84949615 - 2³ = 84949607 is a prime.

It is a Duffinian number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 18379 + ... + 22531.

It is an arithmetic number, because the mean of its divisors is an integer number (12748626).

Almost surely, 2^84949615 is an apocalyptic number.

84949615 is a deficient number, since it is larger than the sum of its proper divisors (17039393).

84949615 is a wasteful number, since it uses less digits than its factorization.

84949615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8249.

The product of its digits is 311040, while the sum is 46.

The square root of 84949615 is about 9216.8115419596. The cubic root of 84949615 is about 439.5960738629.

The spelling of 84949615 in words is "eighty-four million, nine hundred forty-nine thousand, six hundred fifteen".