47490889 has 2 divisors, whose sum is σ = 47490890. Its totient is φ = 47490888.

The previous prime is 47490871. The next prime is 47490941. The reversal of 47490889 is 98809474.

47490889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28174864 + 19316025 = 5308^2 + 4395^2 .

It is a cyclic number.

It is not a de Polignac number, because 47490889 - 2¹¹ = 47488841 is a prime.

It is not a weakly prime, because it can be changed into another prime (47490829) 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 as a sum of consecutive naturals, namely, 23745444 + 23745445.

It is an arithmetic number, because the mean of its divisors is an integer number (23745445).

Almost surely, 2^47490889 is an apocalyptic number.

It is an amenable number.

47490889 is a deficient number, since it is larger than the sum of its proper divisors (1).

47490889 is an equidigital number, since it uses as much as digits as its factorization.

47490889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 580608, while the sum is 49.

The square root of 47490889 is about 6891.3633629348. The cubic root of 47490889 is about 362.1346654640.

The spelling of 47490889 in words is "forty-seven million, four hundred ninety thousand, eight hundred eighty-nine".