84428804 has 12 divisors (see below), whose sum is σ = 148050000. Its totient is φ = 42128808.

The previous prime is 84428803. The next prime is 84428809. The reversal of 84428804 is 40882448.

It is not an unprimeable number, because it can be changed into a prime (84428803) 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, 19154 + ... + 23145.

It is an arithmetic number, because the mean of its divisors is an integer number (12337500).

Almost surely, 2^84428804 is an apocalyptic number.

It is an amenable number.

84428804 is a deficient number, since it is larger than the sum of its proper divisors (63621196).

84428804 is a wasteful number, since it uses less digits than its factorization.

84428804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42802 (or 42800 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 38.

The square root of 84428804 is about 9188.5147874942. The cubic root of 84428804 is about 438.6958698707.

The spelling of 84428804 in words is "eighty-four million, four hundred twenty-eight thousand, eight hundred four".