47819449 has 8 divisors (see below), whose sum is σ = 48324672. Its totient is φ = 47317200.

The previous prime is 47819413. The next prime is 47819467. The reversal of 47819449 is 94491874.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47819449 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47819399 and 47819408.

It is not an unprimeable number, because it can be changed into a prime (47819479) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44974 + ... + 46024.

It is an arithmetic number, because the mean of its divisors is an integer number (6040584).

Almost surely, 2^47819449 is an apocalyptic number.

It is an amenable number.

47819449 is a deficient number, since it is larger than the sum of its proper divisors (505223).

47819449 is a wasteful number, since it uses less digits than its factorization.

47819449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1487.

The product of its digits is 290304, while the sum is 46.

The square root of 47819449 is about 6915.1608079639. The cubic root of 47819449 is about 362.9678752873.

The spelling of 47819449 in words is "forty-seven million, eight hundred nineteen thousand, four hundred forty-nine".