397064 has 8 divisors (see below), whose sum is σ = 744510. Its totient is φ = 198528.

The previous prime is 397063. The next prime is 397073. The reversal of 397064 is 460793.

397064 is nontrivially palindromic in base 7.

It can be written as a sum of positive squares in only one way, i.e., 372100 + 24964 = 610^2 + 158^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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 pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24809 + ... + 24824.

2³⁹⁷⁰⁶⁴ is an apocalyptic number.

It is an amenable number.

397064 is a deficient number, since it is larger than the sum of its proper divisors (347446).

397064 is a wasteful number, since it uses less digits than its factorization.

397064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49639 (or 49635 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 397064 is about 630.1301452875. The cubic root of 397064 is about 73.4999151587.

It can be divided in two parts, 3 and 97064, that multiplied together give a palindrome (291192).

The spelling of 397064 in words is "three hundred ninety-seven thousand, sixty-four".