47386937 has 4 divisors (see below), whose sum is σ = 51032100. Its totient is φ = 43741776.

The previous prime is 47386921. The next prime is 47386943. The reversal of 47386937 is 73968374.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4405801 + 42981136 = 2099^2 + 6556^2 .

It is not a de Polignac number, because 47386937 - 2⁴ = 47386921 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47386891 and 47386900.

It is not an unprimeable number, because it can be changed into a prime (47386337) 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, 1822562 + ... + 1822587.

It is an arithmetic number, because the mean of its divisors is an integer number (12758025).

Almost surely, 2^47386937 is an apocalyptic number.

It is an amenable number.

47386937 is a deficient number, since it is larger than the sum of its proper divisors (3645163).

47386937 is a wasteful number, since it uses less digits than its factorization.

47386937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3645162.

The product of its digits is 762048, while the sum is 47.

The square root of 47386937 is about 6883.8170370805. The cubic root of 47386937 is about 361.8702489724.

The spelling of 47386937 in words is "forty-seven million, three hundred eighty-six thousand, nine hundred thirty-seven".