47039949 has 12 divisors (see below), whose sum is σ = 74123712. Its totient is φ = 28509000.

The previous prime is 47039939. The next prime is 47039957. The reversal of 47039949 is 94993074.

It is not a de Polignac number, because 47039949 - 2¹² = 47035853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47039929) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 237477 + ... + 237674.

It is an arithmetic number, because the mean of its divisors is an integer number (6176976).

Almost surely, 2^47039949 is an apocalyptic number.

It is an amenable number.

47039949 is a deficient number, since it is larger than the sum of its proper divisors (27083763).

47039949 is a wasteful number, since it uses less digits than its factorization.

47039949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475168 (or 475165 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The square root of 47039949 is about 6858.5675618164. The cubic root of 47039949 is about 360.9848265710.

The spelling of 47039949 in words is "forty-seven million, thirty-nine thousand, nine hundred forty-nine".