698965 has 8 divisors (see below), whose sum is σ = 858528. Its totient is φ = 546000.

The previous prime is 698939. The next prime is 698977. The reversal of 698965 is 569896.

698965 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-698965 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is an Ulam number.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a nialpdrome in base 4 and base 16.

It is a zygodrome in base 4 and base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1411 + ... + 1840.

It is an arithmetic number, because the mean of its divisors is an integer number (107316).

2⁶⁹⁸⁹⁶⁵ is an apocalyptic number.

It is an amenable number.

698965 is a deficient number, since it is larger than the sum of its proper divisors (159563).

698965 is a wasteful number, since it uses less digits than its factorization.

698965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3299.

The product of its digits is 116640, while the sum is 43.

The square root of 698965 is about 836.0412669241. The cubic root of 698965 is about 88.7466176057.

The spelling of 698965 in words is "six hundred ninety-eight thousand, nine hundred sixty-five".