84013642 has 8 divisors (see below), whose sum is σ = 126680832. Its totient is φ = 41786700.

The previous prime is 84013637. The next prime is 84013651. The reversal of 84013642 is 24631048.

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

It is a self number, because there is not a number n which added to its sum of digits gives 84013642.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109584 + ... + 110347.

It is an arithmetic number, because the mean of its divisors is an integer number (15835104).

Almost surely, 2^84013642 is an apocalyptic number.

84013642 is a deficient number, since it is larger than the sum of its proper divisors (42667190).

84013642 is a wasteful number, since it uses less digits than its factorization.

84013642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220124.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 84013642 is about 9165.8955918121. The cubic root of 84013642 is about 437.9756211976.

The spelling of 84013642 in words is "eighty-four million, thirteen thousand, six hundred forty-two".