397070 has 16 divisors (see below), whose sum is σ = 727920. Its totient is φ = 155904.

The previous prime is 397063. The next prime is 397073. The reversal of 397070 is 70793.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397073) by changing a digit.

397070 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, 254 + ... + 926.

It is an arithmetic number, because the mean of its divisors is an integer number (45495).

2³⁹⁷⁰⁷⁰ is an apocalyptic number.

397070 is a deficient number, since it is larger than the sum of its proper divisors (330850).

397070 is a wasteful number, since it uses less digits than its factorization.

397070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739.

The product of its (nonzero) digits is 1323, while the sum is 26.

The square root of 397070 is about 630.1349061907. The cubic root of 397070 is about 73.5002853738.

The spelling of 397070 in words is "three hundred ninety-seven thousand, seventy".