47996905 has 8 divisors (see below), whose sum is σ = 62832384. Its totient is φ = 34906800.

The previous prime is 47996891. The next prime is 47996911. The reversal of 47996905 is 50969974.

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

It is not a de Polignac number, because 47996905 - 2⁵ = 47996873 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 436281 + ... + 436390.

It is an arithmetic number, because the mean of its divisors is an integer number (7854048).

Almost surely, 2^47996905 is an apocalyptic number.

It is an amenable number.

47996905 is a deficient number, since it is larger than the sum of its proper divisors (14835479).

47996905 is a wasteful number, since it uses less digits than its factorization.

47996905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872687.

The product of its (nonzero) digits is 612360, while the sum is 49.

The square root of 47996905 is about 6927.9798642894. The cubic root of 47996905 is about 363.4163073038.

The spelling of 47996905 in words is "forty-seven million, nine hundred ninety-six thousand, nine hundred five".