84103816 has 8 divisors (see below), whose sum is σ = 157694670. Its totient is φ = 42051904.

The previous prime is 84103807. The next prime is 84103841. The reversal of 84103816 is 61830148.

It can be written as a sum of positive squares in only one way, i.e., 53963716 + 30140100 = 7346^2 + 5490^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5256481 + ... + 5256496.

Almost surely, 2^84103816 is an apocalyptic number.

It is an amenable number.

84103816 is a deficient number, since it is larger than the sum of its proper divisors (73590854).

84103816 is a wasteful number, since it uses less digits than its factorization.

84103816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10512983 (or 10512979 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 84103816 is about 9170.8132681895. The cubic root of 84103816 is about 438.1322619969.

The spelling of 84103816 in words is "eighty-four million, one hundred three thousand, eight hundred sixteen".