47985385 has 16 divisors (see below), whose sum is σ = 65981952. Its totient is φ = 32817600.

The previous prime is 47985367. The next prime is 47985391. The reversal of 47985385 is 58358974.

It is not a de Polignac number, because 47985385 - 2⁷ = 47985257 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13495 + ... + 16675.

It is an arithmetic number, because the mean of its divisors is an integer number (4123872).

Almost surely, 2^47985385 is an apocalyptic number.

It is an amenable number.

47985385 is a deficient number, since it is larger than the sum of its proper divisors (17996567).

47985385 is a wasteful number, since it uses less digits than its factorization.

47985385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3624.

The product of its digits is 1209600, while the sum is 49.

The square root of 47985385 is about 6927.1484032032. The cubic root of 47985385 is about 363.3872297980.

The spelling of 47985385 in words is "forty-seven million, nine hundred eighty-five thousand, three hundred eighty-five".