84811842 has 24 divisors (see below), whose sum is σ = 184023216. Its totient is φ = 28229976.

The previous prime is 84811841. The next prime is 84811873. The reversal of 84811842 is 24811848.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 84811797 and 84811806.

It is not an unprimeable number, because it can be changed into a prime (84811841) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11173 + ... + 17159.

It is an arithmetic number, because the mean of its divisors is an integer number (7667634).

Almost surely, 2^84811842 is an apocalyptic number.

84811842 is an abundant number, since it is smaller than the sum of its proper divisors (99211374).

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

84811842 is a wasteful number, since it uses less digits than its factorization.

84811842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6782 (or 6779 counting only the distinct ones).

The product of its digits is 16384, while the sum is 36.

The square root of 84811842 is about 9209.3345036436. The cubic root of 84811842 is about 439.3582966778.

The spelling of 84811842 in words is "eighty-four million, eight hundred eleven thousand, eight hundred forty-two".