898477 has 2 divisors, whose sum is σ = 898478. Its totient is φ = 898476.

The previous prime is 898459. The next prime is 898481. The reversal of 898477 is 774898.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 885481 + 12996 = 941^2 + 114^2 .

It is a cyclic number.

It is not a de Polignac number, because 898477 - 2¹⁹ = 374189 is a prime.

It is an Ulam number.

898477 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (898427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 449238 + 449239.

It is an arithmetic number, because the mean of its divisors is an integer number (449239).

2⁸⁹⁸⁴⁷⁷ is an apocalyptic number.

It is an amenable number.

898477 is a deficient number, since it is larger than the sum of its proper divisors (1).

898477 is an equidigital number, since it uses as much as digits as its factorization.

898477 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 112896, while the sum is 43.

The square root of 898477 is about 947.8802667004. The cubic root of 898477 is about 96.4944469587.

The spelling of 898477 in words is "eight hundred ninety-eight thousand, four hundred seventy-seven".