84106628 has 6 divisors (see below), whose sum is σ = 147186606. Its totient is φ = 42053312.

The previous prime is 84106609. The next prime is 84106637. The reversal of 84106628 is 82660148.

It can be written as a sum of positive squares in only one way, i.e., 44063044 + 40043584 = 6638^2 + 6328^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10513325 + ... + 10513332.

It is an arithmetic number, because the mean of its divisors is an integer number (24531101).

Almost surely, 2^84106628 is an apocalyptic number.

It is an amenable number.

84106628 is a deficient number, since it is larger than the sum of its proper divisors (63079978).

84106628 is a wasteful number, since it uses less digits than its factorization.

84106628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21026661 (or 21026659 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 84106628 is about 9170.9665793743. The cubic root of 84106628 is about 438.1371449072.

The spelling of 84106628 in words is "eighty-four million, one hundred six thousand, six hundred twenty-eight".