84929828 has 6 divisors (see below), whose sum is σ = 148627206. Its totient is φ = 42464912.

The previous prime is 84929827. The next prime is 84929861. The reversal of 84929828 is 82892948.

It can be written as a sum of positive squares in only one way, i.e., 83759104 + 1170724 = 9152^2 + 1082^2 .

It is not an unprimeable number, because it can be changed into a prime (84929827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10616225 + ... + 10616232.

It is an arithmetic number, because the mean of its divisors is an integer number (24771201).

Almost surely, 2^84929828 is an apocalyptic number.

It is an amenable number.

84929828 is a deficient number, since it is larger than the sum of its proper divisors (63697378).

84929828 is a wasteful number, since it uses less digits than its factorization.

84929828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21232461 (or 21232459 counting only the distinct ones).

The product of its digits is 663552, while the sum is 50.

The square root of 84929828 is about 9215.7380605137. The cubic root of 84929828 is about 439.5619400493.

The spelling of 84929828 in words is "eighty-four million, nine hundred twenty-nine thousand, eight hundred twenty-eight".