698417 has 2 divisors, whose sum is σ = 698418. Its totient is φ = 698416.

The previous prime is 698413. The next prime is 698419. The reversal of 698417 is 714896.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 512656 + 185761 = 716^2 + 431^2 .

It is a cyclic number.

It is not a de Polignac number, because 698417 - 2² = 698413 is a prime.

Together with 698419, it forms a pair of twin primes.

It is a Chen prime.

It is a nialpdrome in base 16.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 698417.

It is not a weakly prime, because it can be changed into another prime (698413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 349208 + 349209.

It is an arithmetic number, because the mean of its divisors is an integer number (349209).

2⁶⁹⁸⁴¹⁷ is an apocalyptic number.

It is an amenable number.

698417 is a deficient number, since it is larger than the sum of its proper divisors (1).

698417 is an equidigital number, since it uses as much as digits as its factorization.

698417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 35.

The square root of 698417 is about 835.7134676431. The cubic root of 698417 is about 88.7234186082.

The spelling of 698417 in words is "six hundred ninety-eight thousand, four hundred seventeen".