397000199 has 4 divisors (see below), whose sum is σ = 397044936. Its totient is φ = 396955464.

The previous prime is 397000189. The next prime is 397000223. The reversal of 397000199 is 991000793.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 991000793 = 23 ⋅43086991.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-397000199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397000159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4064 + ... + 28469.

It is an arithmetic number, because the mean of its divisors is an integer number (99261234).

Almost surely, 2^397000199 is an apocalyptic number.

397000199 is a deficient number, since it is larger than the sum of its proper divisors (44737).

397000199 is a wasteful number, since it uses less digits than its factorization.

397000199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44736.

The product of its (nonzero) digits is 15309, while the sum is 38.

The square root of 397000199 is about 19924.8638389325. The cubic root of 397000199 is about 734.9597824571.

The spelling of 397000199 in words is "three hundred ninety-seven million, one hundred ninety-nine", and thus it is an aban number.