698667 has 8 divisors (see below), whose sum is σ = 935424. Its totient is φ = 463848.

The previous prime is 698653. The next prime is 698669. The reversal of 698667 is 766896.

It is a happy number.

698667 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 not a de Polignac number, because 698667 - 2⁷ = 698539 is a prime.

It is an Ulam number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 698667.

It is not an unprimeable number, because it can be changed into a prime (698669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1138 + ... + 1640.

It is an arithmetic number, because the mean of its divisors is an integer number (116928).

2⁶⁹⁸⁶⁶⁷ is an apocalyptic number.

698667 is a deficient number, since it is larger than the sum of its proper divisors (236757).

698667 is a wasteful number, since it uses less digits than its factorization.

698667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 969.

The product of its digits is 108864, while the sum is 42.

The square root of 698667 is about 835.8630270565. The cubic root of 698667 is about 88.7340035972.

The spelling of 698667 in words is "six hundred ninety-eight thousand, six hundred sixty-seven".