397743 has 8 divisors (see below), whose sum is σ = 533808. Its totient is φ = 263424.

The previous prime is 397729. The next prime is 397751. The reversal of 397743 is 347793.

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

It is not a de Polignac number, because 397743 - 2¹⁰ = 396719 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255 + ... + 927.

It is an arithmetic number, because the mean of its divisors is an integer number (66726).

2³⁹⁷⁷⁴³ is an apocalyptic number.

397743 is a deficient number, since it is larger than the sum of its proper divisors (136065).

397743 is a wasteful number, since it uses less digits than its factorization.

397743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 873.

The product of its digits is 15876, while the sum is 33.

The square root of 397743 is about 630.6686927381. The cubic root of 397743 is about 73.5417875201.

The spelling of 397743 in words is "three hundred ninety-seven thousand, seven hundred forty-three".