8890047 has 16 divisors (see below), whose sum is σ = 13332480. Its totient is φ = 5853816.

The previous prime is 8890039. The next prime is 8890051. The reversal of 8890047 is 7400988.

It is not a de Polignac number, because 8890047 - 2³ = 8890039 is a prime.

8890047 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 8889993 and 8890020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8890247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 258 + ... + 4224.

It is an arithmetic number, because the mean of its divisors is an integer number (833280).

Almost surely, 2^8890047 is an apocalyptic number.

8890047 is a deficient number, since it is larger than the sum of its proper divisors (4442433).

8890047 is a wasteful number, since it uses less digits than its factorization.

8890047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4059 (or 4053 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 8890047 is about 2981.6181848117. The cubic root of 8890047 is about 207.1578296408.

The spelling of 8890047 in words is "eight million, eight hundred ninety thousand, forty-seven".