8861399 has 8 divisors (see below), whose sum is σ = 9010560. Its totient is φ = 8713656.

The previous prime is 8861393. The next prime is 8861401. The reversal of 8861399 is 9931688.

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 8861399 - 2⁴ = 8861383 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8861393) 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, 23192 + ... + 23570.

It is an arithmetic number, because the mean of its divisors is an integer number (1126320).

Almost surely, 2^8861399 is an apocalyptic number.

8861399 is a deficient number, since it is larger than the sum of its proper divisors (149161).

8861399 is a wasteful number, since it uses less digits than its factorization.

8861399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709.

The product of its digits is 93312, while the sum is 44.

The square root of 8861399 is about 2976.8102055724. The cubic root of 8861399 is about 206.9350695244.

The spelling of 8861399 in words is "eight million, eight hundred sixty-one thousand, three hundred ninety-nine".