698045 has 4 divisors (see below), whose sum is σ = 837660. Its totient is φ = 558432.

The previous prime is 698039. The next prime is 698051. The reversal of 698045 is 540896.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (698039) and next prime (698051).

It can be written as a sum of positive squares in 2 ways, for example, as 502681 + 195364 = 709^2 + 442^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-698045 is a prime.

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 698045.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69800 + ... + 69809.

It is an arithmetic number, because the mean of its divisors is an integer number (209415).

2⁶⁹⁸⁰⁴⁵ is an apocalyptic number.

It is an amenable number.

698045 is a deficient number, since it is larger than the sum of its proper divisors (139615).

698045 is a wasteful number, since it uses less digits than its factorization.

698045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139614.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 698045 is about 835.4908736785. The cubic root of 698045 is about 88.7076634680.

The spelling of 698045 in words is "six hundred ninety-eight thousand, forty-five".