1985944232 has 16 divisors (see below), whose sum is σ = 3724509600. Its totient is φ = 992741680.

The previous prime is 1985944229. The next prime is 1985944283. The reversal of 1985944232 is 2324495891.

It is a happy number.

It is a super-2 number, since 2×1985944232² = 7887948985228139648, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11069 + ... + 63987.

It is an arithmetic number, because the mean of its divisors is an integer number (232781850).

Almost surely, 2^1985944232 is an apocalyptic number.

It is an amenable number.

1985944232 is a deficient number, since it is larger than the sum of its proper divisors (1738565368).

1985944232 is a wasteful number, since it uses less digits than its factorization.

1985944232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57616 (or 57612 counting only the distinct ones).

The product of its digits is 622080, while the sum is 47.

The square root of 1985944232 is about 44563.9342069346. The cubic root of 1985944232 is about 1256.9625821141.

The spelling of 1985944232 in words is "one billion, nine hundred eighty-five million, nine hundred forty-four thousand, two hundred thirty-two".