8861997 has 8 divisors (see below), whose sum is σ = 11949120. Its totient is φ = 5841440.

The previous prime is 8861989. The next prime is 8862013. The reversal of 8861997 is 7991688.

It is a happy number.

8861997 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 8861997 - 2³ = 8861989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8861927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16329 + ... + 16862.

It is an arithmetic number, because the mean of its divisors is an integer number (1493640).

Almost surely, 2^8861997 is an apocalyptic number.

It is an amenable number.

8861997 is a deficient number, since it is larger than the sum of its proper divisors (3087123).

8861997 is a wasteful number, since it uses less digits than its factorization.

8861997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33283.

The product of its digits is 217728, while the sum is 48.

The square root of 8861997 is about 2976.9106469627. The cubic root of 8861997 is about 206.9397243345.

The spelling of 8861997 in words is "eight million, eight hundred sixty-one thousand, nine hundred ninety-seven".