84242307 has 8 divisors (see below), whose sum is σ = 117206784. Its totient is φ = 53719688.

The previous prime is 84242267. The next prime is 84242309. The reversal of 84242307 is 70324248.

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 84242307 - 2²⁴ = 67465091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84242309) 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, 610383 + ... + 610520.

It is an arithmetic number, because the mean of its divisors is an integer number (14650848).

Almost surely, 2^84242307 is an apocalyptic number.

84242307 is a deficient number, since it is larger than the sum of its proper divisors (32964477).

84242307 is a wasteful number, since it uses less digits than its factorization.

84242307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1220929.

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 84242307 is about 9178.3608013632. The cubic root of 84242307 is about 438.3726161340.

It can be divided in two parts, 8424 and 2307, that added together give a triangular number (10731 = T₁₄₆).

The spelling of 84242307 in words is "eighty-four million, two hundred forty-two thousand, three hundred seven".