398046 has 32 divisors (see below), whose sum is σ = 897408. Its totient is φ = 116640.

The previous prime is 398039. The next prime is 398053. The reversal of 398046 is 640893.

It is an interprime number because it is at equal distance from previous prime (398039) and next prime (398053).

It is a d-powerful number, because it can be written as 3¹⁰ + 9⁵ + 0 + 8 + 4 + 6⁷ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2361 + ... + 2523.

It is an arithmetic number, because the mean of its divisors is an integer number (28044).

2³⁹⁸⁰⁴⁶ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 398046, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (448704).

398046 is an abundant number, since it is smaller than the sum of its proper divisors (499362).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

398046 is a wasteful number, since it uses less digits than its factorization.

398046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 398046 is about 630.9088682211. The cubic root of 398046 is about 73.5604574531.

The spelling of 398046 in words is "three hundred ninety-eight thousand, forty-six".