84405682 has 8 divisors (see below), whose sum is σ = 127041516. Its totient is φ = 42058512.

The previous prime is 84405677. The next prime is 84405691. The reversal of 84405682 is 28650448.

It can be written as a sum of positive squares in 2 ways, for example, as 84290761 + 114921 = 9181^2 + 339^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71433 + ... + 72604.

Almost surely, 2^84405682 is an apocalyptic number.

84405682 is a deficient number, since it is larger than the sum of its proper divisors (42635834).

84405682 is a wasteful number, since it uses less digits than its factorization.

84405682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144332.

The product of its (nonzero) digits is 61440, while the sum is 37.

The square root of 84405682 is about 9187.2565001746. The cubic root of 84405682 is about 438.6558185630.

The spelling of 84405682 in words is "eighty-four million, four hundred five thousand, six hundred eighty-two".