398541343 has 4 divisors (see below), whose sum is σ = 400209120. Its totient is φ = 396873568.

The previous prime is 398541331. The next prime is 398541379. The reversal of 398541343 is 343145893.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-398541343 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 398541296 and 398541305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398541313) 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, 833530 + ... + 834007.

It is an arithmetic number, because the mean of its divisors is an integer number (100052280).

Almost surely, 2^398541343 is an apocalyptic number.

398541343 is a deficient number, since it is larger than the sum of its proper divisors (1667777).

398541343 is a wasteful number, since it uses less digits than its factorization.

398541343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1667776.

The product of its digits is 155520, while the sum is 40.

The square root of 398541343 is about 19963.5002692414. The cubic root of 398541343 is about 735.9095857892.

The spelling of 398541343 in words is "three hundred ninety-eight million, five hundred forty-one thousand, three hundred forty-three".