407398 has 16 divisors (see below), whose sum is σ = 656640. Its totient is φ = 189000.

The previous prime is 407383. The next prime is 407401. The reversal of 407398 is 893704.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

407398 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 (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2623 + ... + 2773.

It is an arithmetic number, because the mean of its divisors is an integer number (41040).

2⁴⁰⁷³⁹⁸ is an apocalyptic number.

407398 is a deficient number, since it is larger than the sum of its proper divisors (249242).

407398 is a wasteful number, since it uses less digits than its factorization.

407398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 407398 is about 638.2773691742. The cubic root of 407398 is about 74.1320990843.

The spelling of 407398 in words is "four hundred seven thousand, three hundred ninety-eight".