8217948 has 12 divisors (see below), whose sum is σ = 19175240. Its totient is φ = 2739312.

The previous prime is 8217947. The next prime is 8217949. The reversal of 8217948 is 8497128.

It is an interprime number because it is at equal distance from previous prime (8217947) and next prime (8217949).

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8217947) 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, 342403 + ... + 342426.

Almost surely, 2^8217948 is an apocalyptic number.

It is an amenable number.

8217948 is an abundant number, since it is smaller than the sum of its proper divisors (10957292).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8217948 is a wasteful number, since it uses less digits than its factorization.

8217948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684836 (or 684834 counting only the distinct ones).

The product of its digits is 32256, while the sum is 39.

The square root of 8217948 is about 2866.6963564354. The cubic root of 8217948 is about 201.7999850045.

The spelling of 8217948 in words is "eight million, two hundred seventeen thousand, nine hundred forty-eight".