47988413 has 4 divisors (see below), whose sum is σ = 52351008. Its totient is φ = 43625820.

The previous prime is 47988389. The next prime is 47988427. The reversal of 47988413 is 31488974.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 47988413 - 2²⁴ = 31211197 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47688413) 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 3 ways as a sum of consecutive naturals, for example, 2181281 + ... + 2181302.

It is an arithmetic number, because the mean of its divisors is an integer number (13087752).

Almost surely, 2^47988413 is an apocalyptic number.

It is an amenable number.

47988413 is a deficient number, since it is larger than the sum of its proper divisors (4362595).

47988413 is a wasteful number, since it uses less digits than its factorization.

47988413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4362594.

The product of its digits is 193536, while the sum is 44.

The square root of 47988413 is about 6927.3669601083. The cubic root of 47988413 is about 363.3948731904.

The spelling of 47988413 in words is "forty-seven million, nine hundred eighty-eight thousand, four hundred thirteen".