1994583732 has 24 divisors (see below), whose sum is σ = 4685268000. Its totient is φ = 660398496.

The previous prime is 1994583727. The next prime is 1994583733. The reversal of 1994583732 is 2373854991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1994583733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 555982 + ... + 559557.

It is an arithmetic number, because the mean of its divisors is an integer number (195219500).

Almost surely, 2^1994583732 is an apocalyptic number.

1994583732 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1994583732 is an abundant number, since it is smaller than the sum of its proper divisors (2690684268).

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

1994583732 is a wasteful number, since it uses less digits than its factorization.

1994583732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1115695 (or 1115693 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 51.

The square root of 1994583732 is about 44660.7627789764. The cubic root of 1994583732 is about 1258.7826766423.

The spelling of 1994583732 in words is "one billion, nine hundred ninety-four million, five hundred eighty-three thousand, seven hundred thirty-two".