84240315 has 12 divisors (see below), whose sum is σ = 146016624. Its totient is φ = 44928144.

The previous prime is 84240313. The next prime is 84240349. The reversal of 84240315 is 51304248.

It is not a de Polignac number, because 84240315 - 2¹ = 84240313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84240313) 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, 935959 + ... + 936048.

It is an arithmetic number, because the mean of its divisors is an integer number (12168052).

Almost surely, 2^84240315 is an apocalyptic number.

84240315 is a deficient number, since it is larger than the sum of its proper divisors (61776309).

84240315 is a wasteful number, since it uses less digits than its factorization.

84240315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1872018 (or 1872015 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 84240315 is about 9178.2522846128. The cubic root of 84240315 is about 438.3691608427.

The spelling of 84240315 in words is "eighty-four million, two hundred forty thousand, three hundred fifteen".