397280611204 has 27 divisors (see below), whose sum is σ = 703903772677. Its totient is φ = 196195364144.

The previous prime is 397280611201. The next prime is 397280611237. The reversal of 397280611204 is 402116082793.

The square root of 397280611204 is 630302.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 5214284100 + 392066327104 = 72210^2 + 626152^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (397280611201) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 104628234 + ... + 104632030.

Almost surely, 2^397280611204 is an apocalyptic number.

397280611204 is the 630302-nd square number.

It is an amenable number.

397280611204 is a deficient number, since it is larger than the sum of its proper divisors (306623161473).

397280611204 is an frugal number, since it uses more digits than its factorization.

397280611204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7764 (or 3882 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 43.

Adding to 397280611204 its reverse (402116082793), we get a palindrome (799396693997).

The spelling of 397280611204 in words is "three hundred ninety-seven billion, two hundred eighty million, six hundred eleven thousand, two hundred four".