1985946032 has 60 divisors (see below), whose sum is σ = 4451615376. Its totient is φ = 840681600.

The previous prime is 1985946019. The next prime is 1985946043. The reversal of 1985946032 is 2306495891.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4739519 + ... + 4739937.

Almost surely, 2^1985946032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1985946032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2225807688).

1985946032 is an abundant number, since it is smaller than the sum of its proper divisors (2465669344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1985946032 is an equidigital number, since it uses as much as digits as its factorization.

1985946032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 954 (or 529 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 47.

The square root of 1985946032 is about 44563.9544026335. The cubic root of 1985946032 is about 1256.9629618716.

The spelling of 1985946032 in words is "one billion, nine hundred eighty-five million, nine hundred forty-six thousand, thirty-two".