47986538 has 16 divisors (see below), whose sum is σ = 73851360. Its totient is φ = 23372496.

The previous prime is 47986537. The next prime is 47986541. The reversal of 47986538 is 83568974.

It is not an unprimeable number, because it can be changed into a prime (47986531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60581 + ... + 61367.

It is an arithmetic number, because the mean of its divisors is an integer number (4615710).

Almost surely, 2^47986538 is an apocalyptic number.

47986538 is a deficient number, since it is larger than the sum of its proper divisors (25864822).

47986538 is a wasteful number, since it uses less digits than its factorization.

47986538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1541.

The product of its digits is 1451520, while the sum is 50.

The square root of 47986538 is about 6927.2316259816. The cubic root of 47986538 is about 363.3901402822.

The spelling of 47986538 in words is "forty-seven million, nine hundred eighty-six thousand, five hundred thirty-eight".