8461399 has 2 divisors, whose sum is σ = 8461400. Its totient is φ = 8461398.

The previous prime is 8461391. The next prime is 8461423. The reversal of 8461399 is 9931648.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8461399 - 2³ = 8461391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8461391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4230699 + 4230700.

It is an arithmetic number, because the mean of its divisors is an integer number (4230700).

Almost surely, 2^8461399 is an apocalyptic number.

8461399 is a deficient number, since it is larger than the sum of its proper divisors (1).

8461399 is an equidigital number, since it uses as much as digits as its factorization.

8461399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46656, while the sum is 40.

The square root of 8461399 is about 2908.8483975622. The cubic root of 8461399 is about 203.7733529884.

The spelling of 8461399 in words is "eight million, four hundred sixty-one thousand, three hundred ninety-nine".