84216106 has 8 divisors (see below), whose sum is σ = 136041444. Its totient is φ = 38868960.

The previous prime is 84216103. The next prime is 84216109. The reversal of 84216106 is 60161248.

It is an interprime number because it is at equal distance from previous prime (84216103) and next prime (84216109).

It can be written as a sum of positive squares in 2 ways, for example, as 81993025 + 2223081 = 9055^2 + 1491^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (84216103) 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, 1619515 + ... + 1619566.

Almost surely, 2^84216106 is an apocalyptic number.

84216106 is a deficient number, since it is larger than the sum of its proper divisors (51825338).

84216106 is a wasteful number, since it uses less digits than its factorization.

84216106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3239096.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 84216106 is about 9176.9333657818. The cubic root of 84216106 is about 438.3271639446.

The spelling of 84216106 in words is "eighty-four million, two hundred sixteen thousand, one hundred six".