47438786 has 8 divisors (see below), whose sum is σ = 71250960. Its totient is φ = 23688468.

The previous prime is 47438767. The next prime is 47438819. The reversal of 47438786 is 68783474.

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

It is a self number, because there is not a number n which added to its sum of digits gives 47438786.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13496 + ... + 16643.

It is an arithmetic number, because the mean of its divisors is an integer number (8906370).

Almost surely, 2^47438786 is an apocalyptic number.

47438786 is a deficient number, since it is larger than the sum of its proper divisors (23812174).

47438786 is a wasteful number, since it uses less digits than its factorization.

47438786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30928.

The product of its digits is 903168, while the sum is 47.

The square root of 47438786 is about 6887.5820140308. The cubic root of 47438786 is about 362.0021824599.

The spelling of 47438786 in words is "forty-seven million, four hundred thirty-eight thousand, seven hundred eighty-six".