397441017 has 6 divisors (see below), whose sum is σ = 574081482. Its totient is φ = 264960672.

The previous prime is 397440997. The next prime is 397441073. The reversal of 397441017 is 710144793.

It can be written as a sum of positive squares in only one way, i.e., 313608681 + 83832336 = 17709^2 + 9156^2 .

It is not a de Polignac number, because 397441017 - 2¹¹ = 397438969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (397441097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22080048 + ... + 22080065.

It is an arithmetic number, because the mean of its divisors is an integer number (95680247).

Almost surely, 2^397441017 is an apocalyptic number.

It is an amenable number.

397441017 is a deficient number, since it is larger than the sum of its proper divisors (176640465).

397441017 is a wasteful number, since it uses less digits than its factorization.

397441017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44160119 (or 44160116 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 397441017 is about 19935.9227777397. The cubic root of 397441017 is about 735.2317081488.

The spelling of 397441017 in words is "three hundred ninety-seven million, four hundred forty-one thousand, seventeen".