397020 has 48 divisors (see below), whose sum is σ = 1199520. Its totient is φ = 97536.

The previous prime is 397013. The next prime is 397027. The reversal of 397020 is 20793.

It is an interprime number because it is at equal distance from previous prime (397013) and next prime (397027).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397027) 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, 526 + ... + 1034.

It is an arithmetic number, because the mean of its divisors is an integer number (24990).

2³⁹⁷⁰²⁰ is an apocalyptic number.

397020 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 397020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (599760).

397020 is an abundant number, since it is smaller than the sum of its proper divisors (802500).

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

397020 is a wasteful number, since it uses less digits than its factorization.

397020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534 (or 532 counting only the distinct ones).

The product of its (nonzero) digits is 378, while the sum is 21.

The square root of 397020 is about 630.0952308977. The cubic root of 397020 is about 73.4972001340.

The spelling of 397020 in words is "three hundred ninety-seven thousand, twenty".