899586461 has 2 divisors, whose sum is σ = 899586462. Its totient is φ = 899586460.

The previous prime is 899586449. The next prime is 899586529. The reversal of 899586461 is 164685998.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 862303225 + 37283236 = 29365^2 + 6106^2 .

It is a cyclic number.

It is not a de Polignac number, because 899586461 - 2¹⁰ = 899585437 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 899586397 and 899586406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (899586431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 449793230 + 449793231.

It is an arithmetic number, because the mean of its divisors is an integer number (449793231).

Almost surely, 2^899586461 is an apocalyptic number.

It is an amenable number.

899586461 is a deficient number, since it is larger than the sum of its proper divisors (1).

899586461 is an equidigital number, since it uses as much as digits as its factorization.

899586461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3732480, while the sum is 56.

The square root of 899586461 is about 29993.1068914176. The cubic root of 899586461 is about 965.3414850934.

The spelling of 899586461 in words is "eight hundred ninety-nine million, five hundred eighty-six thousand, four hundred sixty-one".