47248649 has 16 divisors (see below), whose sum is σ = 57031680. Its totient is φ = 38238480.

The previous prime is 47248637. The next prime is 47248651. The reversal of 47248649 is 94684274.

It is not a de Polignac number, because 47248649 - 2⁴ = 47248633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47248249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74564 + ... + 75194.

It is an arithmetic number, because the mean of its divisors is an integer number (3564480).

Almost surely, 2^47248649 is an apocalyptic number.

It is an amenable number.

47248649 is a deficient number, since it is larger than the sum of its proper divisors (9783031).

47248649 is a wasteful number, since it uses less digits than its factorization.

47248649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1220.

The product of its digits is 387072, while the sum is 44.

The square root of 47248649 is about 6873.7652709414. The cubic root of 47248649 is about 361.5178939827.

The spelling of 47248649 in words is "forty-seven million, two hundred forty-eight thousand, six hundred forty-nine".