397466507 has 2 divisors, whose sum is σ = 397466508. Its totient is φ = 397466506.

The previous prime is 397466483. The next prime is 397466527. The reversal of 397466507 is 705664793.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 397466507 - 2¹⁸ = 397204363 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (397466527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198733253 + 198733254.

It is an arithmetic number, because the mean of its divisors is an integer number (198733254).

Almost surely, 2^397466507 is an apocalyptic number.

397466507 is a deficient number, since it is larger than the sum of its proper divisors (1).

397466507 is an equidigital number, since it uses as much as digits as its factorization.

397466507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 952560, while the sum is 47.

The square root of 397466507 is about 19936.5620657123. The cubic root of 397466507 is about 735.2474259155.

The spelling of 397466507 in words is "three hundred ninety-seven million, four hundred sixty-six thousand, five hundred seven".