84214081 has 16 divisors (see below), whose sum is σ = 99303424. Its totient is φ = 69917904.

The previous prime is 84214069. The next prime is 84214093. The reversal of 84214081 is 18041248.

It is an interprime number because it is at equal distance from previous prime (84214069) and next prime (84214093).

It is not a de Polignac number, because 84214081 - 2²¹ = 82116929 is a prime.

It is a super-2 number, since 2×84214081² = 14184022877349122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84214021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37126 + ... + 39328.

It is an arithmetic number, because the mean of its divisors is an integer number (6206464).

Almost surely, 2^84214081 is an apocalyptic number.

It is an amenable number.

84214081 is a deficient number, since it is larger than the sum of its proper divisors (15089343).

84214081 is a wasteful number, since it uses less digits than its factorization.

84214081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2380.

The product of its (nonzero) digits is 2048, while the sum is 28.

The square root of 84214081 is about 9176.8230341442. The cubic root of 84214081 is about 438.3236506830.

The spelling of 84214081 in words is "eighty-four million, two hundred fourteen thousand, eighty-one".