84842728 has 16 divisors (see below), whose sum is σ = 161321760. Its totient is φ = 41823600.

The previous prime is 84842713. The next prime is 84842729. The reversal of 84842728 is 82724848.

It is not an unprimeable number, because it can be changed into a prime (84842729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74118 + ... + 75253.

It is an arithmetic number, because the mean of its divisors is an integer number (10082610).

Almost surely, 2^84842728 is an apocalyptic number.

It is an amenable number.

84842728 is a deficient number, since it is larger than the sum of its proper divisors (76479032).

84842728 is a wasteful number, since it uses less digits than its factorization.

84842728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149448 (or 149444 counting only the distinct ones).

The product of its digits is 229376, while the sum is 43.

The square root of 84842728 is about 9211.0112365581. The cubic root of 84842728 is about 439.4116240320.

The spelling of 84842728 in words is "eighty-four million, eight hundred forty-two thousand, seven hundred twenty-eight".