8090947 has 4 divisors (see below), whose sum is σ = 8204976. Its totient is φ = 7976920.

The previous prime is 8090939. The next prime is 8090989. The reversal of 8090947 is 7490908.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 8090947 - 2³ = 8090939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8090647) 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, 56908 + ... + 57049.

It is an arithmetic number, because the mean of its divisors is an integer number (2051244).

Almost surely, 2^8090947 is an apocalyptic number.

8090947 is a deficient number, since it is larger than the sum of its proper divisors (114029).

8090947 is a wasteful number, since it uses less digits than its factorization.

8090947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114028.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 8090947 is about 2844.4589995287. The cubic root of 8090947 is about 200.7550376703.

The spelling of 8090947 in words is "eight million, ninety thousand, nine hundred forty-seven".