390197 has 8 divisors (see below), whose sum is σ = 413952. Its totient is φ = 367200.

The previous prime is 390193. The next prime is 390199. The reversal of 390197 is 791093.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 390197 - 2² = 390193 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a nialpdrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1118 + ... + 1424.

It is an arithmetic number, because the mean of its divisors is an integer number (51744).

2³⁹⁰¹⁹⁷ is an apocalyptic number.

It is an amenable number.

390197 is a deficient number, since it is larger than the sum of its proper divisors (23755).

390197 is a wasteful number, since it uses less digits than its factorization.

390197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379.

The product of its (nonzero) digits is 1701, while the sum is 29.

The square root of 390197 is about 624.6575061584. The cubic root of 390197 is about 73.0737354672.

The spelling of 390197 in words is "three hundred ninety thousand, one hundred ninety-seven".