84684842 has 16 divisors (see below), whose sum is σ = 138894912. Its totient is φ = 38404320.

The previous prime is 84684793. The next prime is 84684863. The reversal of 84684842 is 24848648.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 84684793 and 84684802.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5843 + ... + 14265.

It is an arithmetic number, because the mean of its divisors is an integer number (8680932).

Almost surely, 2^84684842 is an apocalyptic number.

84684842 is a deficient number, since it is larger than the sum of its proper divisors (54210070).

84684842 is a wasteful number, since it uses less digits than its factorization.

84684842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8893.

The product of its digits is 393216, while the sum is 44.

The square root of 84684842 is about 9202.4367425155. The cubic root of 84684842 is about 439.1388840068.

The spelling of 84684842 in words is "eighty-four million, six hundred eighty-four thousand, eight hundred forty-two".