47244449 has 16 divisors (see below), whose sum is σ = 56179200. Its totient is φ = 38885184.

The previous prime is 47244443. The next prime is 47244497. The reversal of 47244449 is 94444274.

It is a cyclic number.

It is not a de Polignac number, because 47244449 - 2⁴ = 47244433 is a prime.

It is a super-2 number, since 2×47244449² = 4464075922627202, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (47244443) 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 15 ways as a sum of consecutive naturals, for example, 19307 + ... + 21615.

It is an arithmetic number, because the mean of its divisors is an integer number (3511200).

Almost surely, 2^47244449 is an apocalyptic number.

It is an amenable number.

47244449 is a deficient number, since it is larger than the sum of its proper divisors (8934751).

47244449 is a wasteful number, since it uses less digits than its factorization.

47244449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2432.

The product of its digits is 129024, while the sum is 38.

The square root of 47244449 is about 6873.4597547378. The cubic root of 47244449 is about 361.5071817177.

The spelling of 47244449 in words is "forty-seven million, two hundred forty-four thousand, four hundred forty-nine".