397380 has 48 divisors (see below), whose sum is σ = 1149120. Its totient is φ = 102528.

The previous prime is 397379. The next prime is 397427. The reversal of 397380 is 83793.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2131 + ... + 2309.

It is an arithmetic number, because the mean of its divisors is an integer number (23940).

2³⁹⁷³⁸⁰ is an apocalyptic number.

397380 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 397380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (574560).

397380 is an abundant number, since it is smaller than the sum of its proper divisors (751740).

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

397380 is a wasteful number, since it uses less digits than its factorization.

397380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228 (or 226 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 397380 is about 630.3808372722. The cubic root of 397380 is about 73.5194080822.

It can be divided in two parts, 397 and 380, that added together give a palindrome (777).

The spelling of 397380 in words is "three hundred ninety-seven thousand, three hundred eighty".