397340 has 12 divisors (see below), whose sum is σ = 834456. Its totient is φ = 158928.

The previous prime is 397337. The next prime is 397351. The reversal of 397340 is 43793.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9914 + ... + 9953.

It is an arithmetic number, because the mean of its divisors is an integer number (69538).

2³⁹⁷³⁴⁰ is an apocalyptic number.

It is an amenable number.

397340 is an abundant number, since it is smaller than the sum of its proper divisors (437116).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

397340 is a wasteful number, since it uses less digits than its factorization.

397340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19876 (or 19874 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 26.

The square root of 397340 is about 630.3491096210. The cubic root of 397340 is about 73.5169411949.

It can be divided in two parts, 397 and 340, that added together give a palindrome (737).

The spelling of 397340 in words is "three hundred ninety-seven thousand, three hundred forty".