47993458 has 12 divisors (see below), whose sum is σ = 73201050. Its totient is φ = 23599680.

The previous prime is 47993453. The next prime is 47993467. The reversal of 47993458 is 85439974.

47993458 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 28483569 + 19509889 = 5337^2 + 4417^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47993453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4218 + ... + 10666.

Almost surely, 2^47993458 is an apocalyptic number.

47993458 is a deficient number, since it is larger than the sum of its proper divisors (25207592).

47993458 is an equidigital number, since it uses as much as digits as its factorization.

47993458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6573 (or 6512 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 49.

The square root of 47993458 is about 6927.7310860050. The cubic root of 47993458 is about 363.4076072567.

The spelling of 47993458 in words is "forty-seven million, nine hundred ninety-three thousand, four hundred fifty-eight".