84688842 has 16 divisors (see below), whose sum is σ = 193574592. Its totient is φ = 24196800.

The previous prime is 84688841. The next prime is 84688847. The reversal of 84688842 is 24888648.

It is a junction number, because it is equal to n+sod(n) for n = 84688791 and 84688800.

It is not an unprimeable number, because it can be changed into a prime (84688841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1008159 + ... + 1008242.

It is an arithmetic number, because the mean of its divisors is an integer number (12098412).

Almost surely, 2^84688842 is an apocalyptic number.

84688842 is an abundant number, since it is smaller than the sum of its proper divisors (108885750).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84688842 is a wasteful number, since it uses less digits than its factorization.

84688842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2016413.

The product of its digits is 786432, while the sum is 48.

The square root of 84688842 is about 9202.6540736898. The cubic root of 84688842 is about 439.1457979867.

It can be divided in two parts, 846888 and 42, that multiplied together give a square (35569296 = 5964²).

The spelling of 84688842 in words is "eighty-four million, six hundred eighty-eight thousand, eight hundred forty-two".