84242104 has 8 divisors (see below), whose sum is σ = 157953960. Its totient is φ = 42121048.

The previous prime is 84242099. The next prime is 84242107. The reversal of 84242104 is 40124248.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84242107) 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 as a sum of consecutive naturals, namely, 5265124 + ... + 5265139.

It is an arithmetic number, because the mean of its divisors is an integer number (19744245).

Almost surely, 2^84242104 is an apocalyptic number.

It is an amenable number.

84242104 is a deficient number, since it is larger than the sum of its proper divisors (73711856).

84242104 is a wasteful number, since it uses less digits than its factorization.

84242104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10530269 (or 10530265 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 25.

The square root of 84242104 is about 9178.3497427370. The cubic root of 84242104 is about 438.3722640160.

The spelling of 84242104 in words is "eighty-four million, two hundred forty-two thousand, one hundred four".