397319963 has 32 divisors (see below), whose sum is σ = 455884800. Its totient is φ = 344282400.

The previous prime is 397319953. The next prime is 397319969. The reversal of 397319963 is 369913793.

It is a happy number.

It is not a de Polignac number, because 397319963 - 2⁶ = 397319899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (397319969) 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 31 ways as a sum of consecutive naturals, for example, 1882928 + ... + 1883138.

It is an arithmetic number, because the mean of its divisors is an integer number (14246400).

Almost surely, 2^397319963 is an apocalyptic number.

397319963 is a deficient number, since it is larger than the sum of its proper divisors (58564837).

397319963 is a wasteful number, since it uses less digits than its factorization.

397319963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423.

The product of its digits is 826686, while the sum is 50.

The square root of 397319963 is about 19932.8864693501. The cubic root of 397319963 is about 735.1570540717.

It can be divided in two parts, 39731 and 9963, that added together give a palindrome (49694).

The spelling of 397319963 in words is "three hundred ninety-seven million, three hundred nineteen thousand, nine hundred sixty-three".