398410 has 8 divisors (see below), whose sum is σ = 717156. Its totient is φ = 159360.

The previous prime is 398407. The next prime is 398417. The reversal of 398410 is 14893.

It can be written as a sum of positive squares in 2 ways, for example, as 385641 + 12769 = 621^2 + 113^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (398417) by changing a digit.

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, 19911 + ... + 19930.

2³⁹⁸⁴¹⁰ is an apocalyptic number.

398410 is a deficient number, since it is larger than the sum of its proper divisors (318746).

398410 is a wasteful number, since it uses less digits than its factorization.

398410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39848.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 398410 is about 631.1972750258. The cubic root of 398410 is about 73.5828734961.

It can be divided in two parts, 398 and 410, that added together give a palindrome (808).

The spelling of 398410 in words is "three hundred ninety-eight thousand, four hundred ten".