47530386 has 12 divisors (see below), whose sum is σ = 102982542. Its totient is φ = 15843456.

The previous prime is 47530367. The next prime is 47530393. The reversal of 47530386 is 68303574.

It is a happy number.

47530386 is a `hidden beast` number, since 47 + 530 + 3 + 86 = 666.

It can be written as a sum of positive squares in only one way, i.e., 36180225 + 11350161 = 6015^2 + 3369^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 47530386.

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 5 ways as a sum of consecutive naturals, for example, 1320271 + ... + 1320306.

Almost surely, 2^47530386 is an apocalyptic number.

47530386 is an abundant number, since it is smaller than the sum of its proper divisors (55452156).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47530386 is a wasteful number, since it uses less digits than its factorization.

47530386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2640585 (or 2640582 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 47530386 is about 6894.2284557447. The cubic root of 47530386 is about 362.2350304659.

The spelling of 47530386 in words is "forty-seven million, five hundred thirty thousand, three hundred eighty-six".