1985888232 has 32 divisors (see below), whose sum is σ = 5516356800. Its totient is φ = 661962672.

The previous prime is 1985888207. The next prime is 1985888243. The reversal of 1985888232 is 2328885891.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 4596748 + ... + 4597179.

It is an arithmetic number, because the mean of its divisors is an integer number (172386150).

Almost surely, 2^1985888232 is an apocalyptic number.

1985888232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1985888232 is an abundant number, since it is smaller than the sum of its proper divisors (3530468568).

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

1985888232 is a wasteful number, since it uses less digits than its factorization.

1985888232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9193942 (or 9193932 counting only the distinct ones).

The product of its digits is 2211840, while the sum is 54.

The square root of 1985888232 is about 44563.3058917311. The cubic root of 1985888232 is about 1256.9507673200.

The spelling of 1985888232 in words is "one billion, nine hundred eighty-five million, eight hundred eighty-eight thousand, two hundred thirty-two".