899000657 has 2 divisors, whose sum is σ = 899000658. Its totient is φ = 899000656.

The previous prime is 899000633. The next prime is 899000671. The reversal of 899000657 is 756000998.

899000657 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 555120721 + 343879936 = 23561^2 + 18544^2 .

It is a cyclic number.

It is not a de Polignac number, because 899000657 - 2²⁶ = 831891793 is a prime.

It is not a weakly prime, because it can be changed into another prime (899006657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 449500328 + 449500329.

It is an arithmetic number, because the mean of its divisors is an integer number (449500329).

Almost surely, 2^899000657 is an apocalyptic number.

It is an amenable number.

899000657 is a deficient number, since it is larger than the sum of its proper divisors (1).

899000657 is an equidigital number, since it uses as much as digits as its factorization.

899000657 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 136080, while the sum is 44.

The square root of 899000657 is about 29983.3396572163. The cubic root of 899000657 is about 965.1318985325.

The spelling of 899000657 in words is "eight hundred ninety-nine million, six hundred fifty-seven", and thus it is an aban number.