84033385 has 8 divisors (see below), whose sum is σ = 101061576. Its totient is φ = 67079040.

The previous prime is 84033379. The next prime is 84033407. The reversal of 84033385 is 58333048.

It can be written as a sum of positive squares in 4 ways, for example, as 10004569 + 74028816 = 3163^2 + 8604^2 .

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

It is not a de Polignac number, because 84033385 - 2³ = 84033377 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 84033385.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15924 + ... + 20533.

It is an arithmetic number, because the mean of its divisors is an integer number (12632697).

Almost surely, 2^84033385 is an apocalyptic number.

It is an amenable number.

84033385 is a deficient number, since it is larger than the sum of its proper divisors (17028191).

84033385 is a wasteful number, since it uses less digits than its factorization.

84033385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36923.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 84033385 is about 9166.9725100493. The cubic root of 84033385 is about 438.0099262431.

It can be divided in two parts, 840 and 33385, that added together give a square (34225 = 185²).

The spelling of 84033385 in words is "eighty-four million, thirty-three thousand, three hundred eighty-five".