2006172984 has 32 divisors (see below), whose sum is σ = 5017522320. Its totient is φ = 668445696.

The previous prime is 2006172983. The next prime is 2006172989. The reversal of 2006172984 is 4892716002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2006172983) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 46114 + ... + 78350.

Almost surely, 2^2006172984 is an apocalyptic number.

2006172984 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2006172984 is an abundant number, since it is smaller than the sum of its proper divisors (3011349336).

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

2006172984 is a wasteful number, since it uses less digits than its factorization.

2006172984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34839 (or 34835 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 2006172984 is about 44790.3224368836. The cubic root of 2006172984 is about 1261.2159639736.

Adding to 2006172984 its reverse (4892716002), we get a palindrome (6898888986).

The spelling of 2006172984 in words is "two billion, six million, one hundred seventy-two thousand, nine hundred eighty-four".