398043 has 12 divisors (see below), whose sum is σ = 587808. Its totient is φ = 259440.

The previous prime is 398039. The next prime is 398053. The reversal of 398043 is 340893.

It is not a de Polignac number, because 398043 - 2² = 398039 is a prime.

398043 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 397998 and 398016.

It is not an unprimeable number, because it can be changed into a prime (398023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48 + ... + 893.

It is an arithmetic number, because the mean of its divisors is an integer number (48984).

2³⁹⁸⁰⁴³ is an apocalyptic number.

398043 is a deficient number, since it is larger than the sum of its proper divisors (189765).

398043 is a wasteful number, since it uses less digits than its factorization.

398043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 994 (or 991 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 398043 is about 630.9064906941. The cubic root of 398043 is about 73.5602726488.

The spelling of 398043 in words is "three hundred ninety-eight thousand, forty-three".