698408 has 16 divisors (see below), whose sum is σ = 1330080. Its totient is φ = 343728.

The previous prime is 698393. The next prime is 698413. The reversal of 698408 is 804896.

It is an unprimeable number.

698408 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116 + ... + 1187.

It is an arithmetic number, because the mean of its divisors is an integer number (83130).

2⁶⁹⁸⁴⁰⁸ is an apocalyptic number.

It is an amenable number.

698408 is a deficient number, since it is larger than the sum of its proper divisors (631672).

698408 is a wasteful number, since it uses less digits than its factorization.

698408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1376 (or 1372 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 698408 is about 835.7080830051. The cubic root of 698408 is about 88.7230375015.

The spelling of 698408 in words is "six hundred ninety-eight thousand, four hundred eight".