84869605 has 8 divisors (see below), whose sum is σ = 103513464. Its totient is φ = 66782400.

The previous prime is 84869597. The next prime is 84869623. The reversal of 84869605 is 50696848.

It can be written as a sum of positive squares in 4 ways, for example, as 248004 + 84621601 = 498^2 + 9199^2 .

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

It is not a de Polignac number, because 84869605 - 2³ = 84869597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138826 + ... + 139435.

It is an arithmetic number, because the mean of its divisors is an integer number (12939183).

Almost surely, 2^84869605 is an apocalyptic number.

It is an amenable number.

84869605 is a deficient number, since it is larger than the sum of its proper divisors (18643859).

84869605 is a wasteful number, since it uses less digits than its factorization.

84869605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278327.

The product of its (nonzero) digits is 414720, while the sum is 46.

The square root of 84869605 is about 9212.4700813625. The cubic root of 84869605 is about 439.4580189702.

The spelling of 84869605 in words is "eighty-four million, eight hundred sixty-nine thousand, six hundred five".