898517401 has 2 divisors, whose sum is σ = 898517402. Its totient is φ = 898517400.

The previous prime is 898517387. The next prime is 898517441. The reversal of 898517401 is 104715898.

It is a happy number.

898517401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 594189376 + 304328025 = 24376^2 + 17445^2 .

It is a cyclic number.

It is not a de Polignac number, because 898517401 - 2⁷ = 898517273 is a prime.

It is not a weakly prime, because it can be changed into another prime (898517441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 449258700 + 449258701.

It is an arithmetic number, because the mean of its divisors is an integer number (449258701).

Almost surely, 2^898517401 is an apocalyptic number.

It is an amenable number.

898517401 is a deficient number, since it is larger than the sum of its proper divisors (1).

898517401 is an equidigital number, since it uses as much as digits as its factorization.

898517401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80640, while the sum is 43.

The square root of 898517401 is about 29975.2798318881. The cubic root of 898517401 is about 964.9589326309.

The spelling of 898517401 in words is "eight hundred ninety-eight million, five hundred seventeen thousand, four hundred one".