47986393 has 16 divisors (see below), whose sum is σ = 62536320. Its totient is φ = 35732736.

The previous prime is 47986363. The next prime is 47986399. The reversal of 47986393 is 39368974.

It is a de Polignac number, because none of the positive numbers 2^k-47986393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47986399) 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, 13963 + ... + 17056.

It is an arithmetic number, because the mean of its divisors is an integer number (3908520).

Almost surely, 2^47986393 is an apocalyptic number.

It is an amenable number.

47986393 is a deficient number, since it is larger than the sum of its proper divisors (14549927).

47986393 is a wasteful number, since it uses less digits than its factorization.

47986393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31056.

The product of its digits is 979776, while the sum is 49.

The square root of 47986393 is about 6927.2211600324. The cubic root of 47986393 is about 363.3897742655.

The spelling of 47986393 in words is "forty-seven million, nine hundred eighty-six thousand, three hundred ninety-three".