698039 has 2 divisors, whose sum is σ = 698040. Its totient is φ = 698038.

The previous prime is 698021. The next prime is 698051. The reversal of 698039 is 930896.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 698039 - 2¹² = 693943 is a prime.

It is a Chen prime.

It is an Ulam number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 698039.

It is not a weakly prime, because it can be changed into another prime (698239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 349019 + 349020.

It is an arithmetic number, because the mean of its divisors is an integer number (349020).

2⁶⁹⁸⁰³⁹ is an apocalyptic number.

698039 is a deficient number, since it is larger than the sum of its proper divisors (1).

698039 is an equidigital number, since it uses as much as digits as its factorization.

698039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 698039 is about 835.4872829673. The cubic root of 698039 is about 88.7074093070.

The spelling of 698039 in words is "six hundred ninety-eight thousand, thirty-nine".