406798 has 16 divisors (see below), whose sum is σ = 712800. Its totient is φ = 174048.

The previous prime is 406789. The next prime is 406807. The reversal of 406798 is 897604.

It is an interprime number because it is at equal distance from previous prime (406789) and next prime (406807).

It is a super-2 number, since 2×406798² = 330969225608, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

406798 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 390 + ... + 982.

It is an arithmetic number, because the mean of its divisors is an integer number (44550).

2⁴⁰⁶⁷⁹⁸ is an apocalyptic number.

406798 is a deficient number, since it is larger than the sum of its proper divisors (306002).

406798 is an equidigital number, since it uses as much as digits as its factorization.

406798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616 (or 602 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 406798 is about 637.8071808940. The cubic root of 406798 is about 74.0956882419.

The spelling of 406798 in words is "four hundred six thousand, seven hundred ninety-eight".