898285987 has 2 divisors, whose sum is σ = 898285988. Its totient is φ = 898285986.

The previous prime is 898285891. The next prime is 898286003. The reversal of 898285987 is 789582898.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 898285987 - 2²⁷ = 764068259 is a prime.

It is not a weakly prime, because it can be changed into another prime (898285387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 449142993 + 449142994.

It is an arithmetic number, because the mean of its divisors is an integer number (449142994).

Almost surely, 2^898285987 is an apocalyptic number.

898285987 is a deficient number, since it is larger than the sum of its proper divisors (1).

898285987 is an equidigital number, since it uses as much as digits as its factorization.

898285987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23224320, while the sum is 64.

The square root of 898285987 is about 29971.4195025861. The cubic root of 898285987 is about 964.8760834916.

The spelling of 898285987 in words is "eight hundred ninety-eight million, two hundred eighty-five thousand, nine hundred eighty-seven".