397069 has 4 divisors (see below), whose sum is σ = 420444. Its totient is φ = 373696.

The previous prime is 397063. The next prime is 397073. The reversal of 397069 is 960793.

397069 = 62² + 63² + ... + 112².

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 315844 + 81225 = 562^2 + 285^2 .

It is a cyclic number.

It is not a de Polignac number, because 397069 - 2⁵ = 397037 is a prime.

It is a super-2 number, since 2×397069² = 315327581522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11662 + ... + 11695.

It is an arithmetic number, because the mean of its divisors is an integer number (105111).

2³⁹⁷⁰⁶⁹ is an apocalyptic number.

It is an amenable number.

397069 is a deficient number, since it is larger than the sum of its proper divisors (23375).

397069 is a wasteful number, since it uses less digits than its factorization.

397069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23374.

The product of its (nonzero) digits is 10206, while the sum is 34.

The square root of 397069 is about 630.1341127094. The cubic root of 397069 is about 73.5002236716.

The spelling of 397069 in words is "three hundred ninety-seven thousand, sixty-nine".