47796489 has 48 divisors (see below), whose sum is σ = 78040144. Its totient is φ = 27993600.

The previous prime is 47796487. The next prime is 47796491. The reversal of 47796489 is 98469774.

47796489 = 43² + 44² + ... + 523².

It is a happy number.

47796489 is a `hidden beast` number, since 4 + 77 + 96 + 489 = 666.

It is an interprime number because it is at equal distance from previous prime (47796487) and next prime (47796491).

It can be written as a sum of positive squares in 8 ways, for example, as 15681600 + 32114889 = 3960^2 + 5667^2 .

It is not a de Polignac number, because 47796489 - 2¹ = 47796487 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (47796481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 263979 + ... + 264159.

Almost surely, 2^47796489 is an apocalyptic number.

It is an amenable number.

47796489 is a deficient number, since it is larger than the sum of its proper divisors (30243655).

47796489 is a wasteful number, since it uses less digits than its factorization.

47796489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298 (or 295 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 54.

The square root of 47796489 is about 6913.5004881753. The cubic root of 47796489 is about 362.9097742654.

The spelling of 47796489 in words is "forty-seven million, seven hundred ninety-six thousand, four hundred eighty-nine".