84789628 has 48 divisors (see below), whose sum is σ = 194745600. Its totient is φ = 31294080.

The previous prime is 84789623. The next prime is 84789629. The reversal of 84789628 is 82698748.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84789623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1393 + ... + 13096.

It is an arithmetic number, because the mean of its divisors is an integer number (4057200).

Almost surely, 2^84789628 is an apocalyptic number.

It is an amenable number.

84789628 is an abundant number, since it is smaller than the sum of its proper divisors (109955972).

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

84789628 is a wasteful number, since it uses less digits than its factorization.

84789628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14530 (or 14528 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 52.

The square root of 84789628 is about 9208.1283657430. The cubic root of 84789628 is about 439.3199342778.

It can be divided in two parts, 8478962 and 8, that multiplied together give a square (67831696 = 8236²).

The spelling of 84789628 in words is "eighty-four million, seven hundred eighty-nine thousand, six hundred twenty-eight".