8561396 has 6 divisors (see below), whose sum is σ = 14982450. Its totient is φ = 4280696.

The previous prime is 8561383. The next prime is 8561407. The reversal of 8561396 is 6931658.

It can be written as a sum of positive squares in only one way, i.e., 6948496 + 1612900 = 2636^2 + 1270^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1070171 + ... + 1070178.

It is an arithmetic number, because the mean of its divisors is an integer number (2497075).

Almost surely, 2^8561396 is an apocalyptic number.

It is an amenable number.

8561396 is a deficient number, since it is larger than the sum of its proper divisors (6421054).

8561396 is a wasteful number, since it uses less digits than its factorization.

8561396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2140353 (or 2140351 counting only the distinct ones).

The product of its digits is 38880, while the sum is 38.

The square root of 8561396 is about 2925.9863294281. The cubic root of 8561396 is about 204.5729440106.

The spelling of 8561396 in words is "eight million, five hundred sixty-one thousand, three hundred ninety-six".