698293 has 2 divisors, whose sum is σ = 698294. Its totient is φ = 698292.

The previous prime is 698287. The next prime is 698297. The reversal of 698293 is 392896.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 580644 + 117649 = 762^2 + 343^2 .

It is a cyclic number.

It is not a de Polignac number, because 698293 - 2⁵ = 698261 is a prime.

It is a super-2 number, since 2×698293² = 975226227698, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (698297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 349146 + 349147.

It is an arithmetic number, because the mean of its divisors is an integer number (349147).

2⁶⁹⁸²⁹³ is an apocalyptic number.

It is an amenable number.

698293 is a deficient number, since it is larger than the sum of its proper divisors (1).

698293 is an equidigital number, since it uses as much as digits as its factorization.

698293 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328, while the sum is 37.

The square root of 698293 is about 835.6392762430. The cubic root of 698293 is about 88.7181675166.

The spelling of 698293 in words is "six hundred ninety-eight thousand, two hundred ninety-three".