47097489 has 4 divisors (see below), whose sum is σ = 62796656. Its totient is φ = 31398324.

The previous prime is 47097487. The next prime is 47097493. The reversal of 47097489 is 98479074.

It is a happy number.

47097489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 47097489 - 2¹ = 47097487 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (47097481) 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 3 ways as a sum of consecutive naturals, for example, 7849579 + ... + 7849584.

It is an arithmetic number, because the mean of its divisors is an integer number (15699164).

Almost surely, 2^47097489 is an apocalyptic number.

It is an amenable number.

47097489 is a deficient number, since it is larger than the sum of its proper divisors (15699167).

47097489 is a wasteful number, since it uses less digits than its factorization.

47097489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15699166.

The product of its (nonzero) digits is 508032, while the sum is 48.

The square root of 47097489 is about 6862.7610332868. The cubic root of 47097489 is about 361.1319540229.

It can be divided in two parts, 47097 and 489, that added together give a triangular number (47586 = T₃₀₈).

The spelling of 47097489 in words is "forty-seven million, ninety-seven thousand, four hundred eighty-nine".