397143 has 10 divisors (see below), whose sum is σ = 593384. Its totient is φ = 264708.

The previous prime is 397127. The next prime is 397151. The reversal of 397143 is 341793.

It is not a de Polignac number, because 397143 - 2⁴ = 397127 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397153) 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 9 ways as a sum of consecutive naturals, for example, 2371 + ... + 2532.

2³⁹⁷¹⁴³ is an apocalyptic number.

397143 is a deficient number, since it is larger than the sum of its proper divisors (196241).

397143 is an equidigital number, since it uses as much as digits as its factorization.

397143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4915 (or 4906 counting only the distinct ones).

The product of its digits is 2268, while the sum is 27.

The square root of 397143 is about 630.1928276329. The cubic root of 397143 is about 73.5047893589.

The spelling of 397143 in words is "three hundred ninety-seven thousand, one hundred forty-three".