47286146 has 16 divisors (see below), whose sum is σ = 75229560. Its totient is φ = 22214400.

The previous prime is 47286131. The next prime is 47286157. The reversal of 47286146 is 64168274.

It can be written as a sum of positive squares in 4 ways, for example, as 30680521 + 16605625 = 5539^2 + 4075^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35696 + ... + 36996.

Almost surely, 2^47286146 is an apocalyptic number.

47286146 is a deficient number, since it is larger than the sum of its proper divisors (27943414).

47286146 is a wasteful number, since it uses less digits than its factorization.

47286146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2389.

The product of its digits is 64512, while the sum is 38.

The square root of 47286146 is about 6876.4922744085. The cubic root of 47286146 is about 361.6135034327.

The spelling of 47286146 in words is "forty-seven million, two hundred eighty-six thousand, one hundred forty-six".