47988993 has 16 divisors (see below), whose sum is σ = 69339200. Its totient is φ = 29346624.

The previous prime is 47988979. The next prime is 47989001. The reversal of 47988993 is 39988974.

It is not a de Polignac number, because 47988993 - 2⁶ = 47988929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47988973) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2583 + ... + 10131.

It is an arithmetic number, because the mean of its divisors is an integer number (4333700).

Almost surely, 2^47988993 is an apocalyptic number.

It is an amenable number.

47988993 is a deficient number, since it is larger than the sum of its proper divisors (21350207).

47988993 is a wasteful number, since it uses less digits than its factorization.

47988993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7728.

The product of its digits is 3919104, while the sum is 57.

The square root of 47988993 is about 6927.4088229294. The cubic root of 47988993 is about 363.3963372117.

The spelling of 47988993 in words is "forty-seven million, nine hundred eighty-eight thousand, nine hundred ninety-three".