398000469 has 4 divisors (see below), whose sum is σ = 530667296. Its totient is φ = 265333644.

The previous prime is 398000443. The next prime is 398000483. The reversal of 398000469 is 964000893.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 398000469 - 2⁹ = 397999957 is a prime.

It is a super-2 number, since 2×398000469² = 316808746648439922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398000069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66333409 + ... + 66333414.

It is an arithmetic number, because the mean of its divisors is an integer number (132666824).

Almost surely, 2^398000469 is an apocalyptic number.

It is an amenable number.

398000469 is a deficient number, since it is larger than the sum of its proper divisors (132666827).

398000469 is a wasteful number, since it uses less digits than its factorization.

398000469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132666826.

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

The square root of 398000469 is about 19949.9490976794. The cubic root of 398000469 is about 735.5765257724.

The spelling of 398000469 in words is "three hundred ninety-eight million, four hundred sixty-nine", and thus it is an aban number.