1985036383 has 16 divisors (see below), whose sum is σ = 2197238400. Its totient is φ = 1778238880.

The previous prime is 1985036369. The next prime is 1985036393. The reversal of 1985036383 is 3836305891.

It is not a de Polignac number, because 1985036383 - 2⁵ = 1985036351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1985036353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 379953 + ... + 385141.

It is an arithmetic number, because the mean of its divisors is an integer number (137327400).

Almost surely, 2^1985036383 is an apocalyptic number.

1985036383 is a deficient number, since it is larger than the sum of its proper divisors (212202017).

1985036383 is a wasteful number, since it uses less digits than its factorization.

1985036383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5702.

The product of its (nonzero) digits is 466560, while the sum is 46.

The square root of 1985036383 is about 44553.7471263641. The cubic root of 1985036383 is about 1256.7710181326.

The spelling of 1985036383 in words is "one billion, nine hundred eighty-five million, thirty-six thousand, three hundred eighty-three".