398067 has 4 divisors (see below), whose sum is σ = 530760. Its totient is φ = 265376.

The previous prime is 398063. The next prime is 398077. The reversal of 398067 is 760893.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 398067 - 2² = 398063 is a prime.

It is a D-number.

398067 is a lucky number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 398067.

It is not an unprimeable number, because it can be changed into a prime (398063) 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, 66342 + ... + 66347.

It is an arithmetic number, because the mean of its divisors is an integer number (132690).

2³⁹⁸⁰⁶⁷ is an apocalyptic number.

398067 is a deficient number, since it is larger than the sum of its proper divisors (132693).

398067 is a wasteful number, since it uses less digits than its factorization.

398067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132692.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 398067 is about 630.9255106587. The cubic root of 398067 is about 73.5617510578.

The spelling of 398067 in words is "three hundred ninety-eight thousand, sixty-seven".