83944605 has 8 divisors (see below), whose sum is σ = 134311392. Its totient is φ = 44770448.

The previous prime is 83944571. The next prime is 83944613. The reversal of 83944605 is 50644938.

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

It is a cyclic number.

It is not a de Polignac number, because 83944605 - 2⁷ = 83944477 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2798139 + ... + 2798168.

It is an arithmetic number, because the mean of its divisors is an integer number (16788924).

Almost surely, 2^83944605 is an apocalyptic number.

It is an amenable number.

83944605 is a deficient number, since it is larger than the sum of its proper divisors (50366787).

83944605 is a wasteful number, since it uses less digits than its factorization.

83944605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5596315.

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 83944605 is about 9162.1288465072. The cubic root of 83944605 is about 437.8556216032.

The spelling of 83944605 in words is "eighty-three million, nine hundred forty-four thousand, six hundred five".