397494 has 32 divisors (see below), whose sum is σ = 937440. Its totient is φ = 124416.

The previous prime is 397493. The next prime is 397517. The reversal of 397494 is 494793.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397493) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 702 + ... + 1134.

It is an arithmetic number, because the mean of its divisors is an integer number (29295).

2³⁹⁷⁴⁹⁴ is an apocalyptic number.

397494 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 397494, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (468720).

397494 is an abundant number, since it is smaller than the sum of its proper divisors (539946).

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

397494 is a wasteful number, since it uses less digits than its factorization.

397494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461 (or 455 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 397494 is about 630.4712523185. The cubic root of 397494 is about 73.5264378029.

The spelling of 397494 in words is "three hundred ninety-seven thousand, four hundred ninety-four".