397734 has 16 divisors (see below), whose sum is σ = 802560. Its totient is φ = 131400.

The previous prime is 397729. The next prime is 397751. The reversal of 397734 is 437793.

It is a junction number, because it is equal to n+sod(n) for n = 397695 and 397704.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 397734.

It is an unprimeable number.

397734 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 687 + ... + 1125.

It is an arithmetic number, because the mean of its divisors is an integer number (50160).

2³⁹⁷⁷³⁴ is an apocalyptic number.

397734 is an abundant number, since it is smaller than the sum of its proper divisors (404826).

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

397734 is a wasteful number, since it uses less digits than its factorization.

397734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595.

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

The square root of 397734 is about 630.6615574141. The cubic root of 397734 is about 73.5412328226.

The spelling of 397734 in words is "three hundred ninety-seven thousand, seven hundred thirty-four".