398469 has 8 divisors (see below), whose sum is σ = 534240. Its totient is φ = 264176.

The previous prime is 398467. The next prime is 398471. The reversal of 398469 is 964893.

398469 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (398467) and next prime (398471).

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

It is a cyclic number.

It is not a de Polignac number, because 398469 - 2¹ = 398467 is a prime.

It is a super-2 number, since 2×398469² = 317555087922, which contains 22 as substring.

398469 is strictly pandigital in base 7.

It is a nialpdrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398467) 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 7 ways as a sum of consecutive naturals, for example, 742 + ... + 1160.

It is an arithmetic number, because the mean of its divisors is an integer number (66780).

2³⁹⁸⁴⁶⁹ is an apocalyptic number.

It is an amenable number.

398469 is a deficient number, since it is larger than the sum of its proper divisors (135771).

398469 is a wasteful number, since it uses less digits than its factorization.

398469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739.

The product of its digits is 46656, while the sum is 39.

The square root of 398469 is about 631.2440098726. The cubic root of 398469 is about 73.5865055797.

The spelling of 398469 in words is "three hundred ninety-eight thousand, four hundred sixty-nine".