698953 has 4 divisors (see below), whose sum is σ = 735760. Its totient is φ = 662148.

The previous prime is 698939. The next prime is 698977. The reversal of 698953 is 359896.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 698953 - 2¹⁷ = 567881 is a prime.

It is a Duffinian number.

698953 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (698903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18375 + ... + 18412.

It is an arithmetic number, because the mean of its divisors is an integer number (183940).

2⁶⁹⁸⁹⁵³ is an apocalyptic number.

It is an amenable number.

698953 is a deficient number, since it is larger than the sum of its proper divisors (36807).

698953 is a wasteful number, since it uses less digits than its factorization.

698953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36806.

The product of its digits is 58320, while the sum is 40.

The square root of 698953 is about 836.0340902140. The cubic root of 698953 is about 88.7461097283.

The spelling of 698953 in words is "six hundred ninety-eight thousand, nine hundred fifty-three".