397941326 has 16 divisors (see below), whose sum is σ = 612033408. Its totient is φ = 193939200.

The previous prime is 397941311. The next prime is 397941329. The reversal of 397941326 is 623149793.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397941329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152291 + ... + 154881.

It is an arithmetic number, because the mean of its divisors is an integer number (38252088).

Almost surely, 2^397941326 is an apocalyptic number.

397941326 is a deficient number, since it is larger than the sum of its proper divisors (214092082).

397941326 is a wasteful number, since it uses less digits than its factorization.

397941326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4507.

The product of its digits is 244944, while the sum is 44.

The square root of 397941326 is about 19948.4667581245. The cubic root of 397941326 is about 735.5400883299.

The spelling of 397941326 in words is "three hundred ninety-seven million, nine hundred forty-one thousand, three hundred twenty-six".