47939859 has 24 divisors (see below), whose sum is σ = 77156352. Its totient is φ = 28433520.

The previous prime is 47939821. The next prime is 47939861. The reversal of 47939859 is 95893974.

It is not a de Polignac number, because 47939859 - 2¹² = 47935763 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47939819) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 499 + ... + 9804.

It is an arithmetic number, because the mean of its divisors is an integer number (3214848).

Almost surely, 2^47939859 is an apocalyptic number.

47939859 is a deficient number, since it is larger than the sum of its proper divisors (29216493).

47939859 is a wasteful number, since it uses less digits than its factorization.

47939859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10367 (or 10364 counting only the distinct ones).

The product of its digits is 2449440, while the sum is 54.

The square root of 47939859 is about 6923.8615670737. The cubic root of 47939859 is about 363.2722725621.

The spelling of 47939859 in words is "forty-seven million, nine hundred thirty-nine thousand, eight hundred fifty-nine".