47849986 has 8 divisors (see below), whose sum is σ = 72951804. Its totient is φ = 23532720.

The previous prime is 47849983. The next prime is 47849987. The reversal of 47849986 is 68994874.

It can be written as a sum of positive squares in 2 ways, for example, as 47817225 + 32761 = 6915^2 + 181^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (47849981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195985 + ... + 196228.

Almost surely, 2^47849986 is an apocalyptic number.

47849986 is a deficient number, since it is larger than the sum of its proper divisors (25101818).

47849986 is a wasteful number, since it uses less digits than its factorization.

47849986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392276.

The product of its digits is 3483648, while the sum is 55.

The square root of 47849986 is about 6917.3684302631. The cubic root of 47849986 is about 363.0451213431.

The spelling of 47849986 in words is "forty-seven million, eight hundred forty-nine thousand, nine hundred eighty-six".