397194464 has 24 divisors (see below), whose sum is σ = 783639360. Its totient is φ = 198174976.

The previous prime is 397194463. The next prime is 397194467. The reversal of 397194464 is 464491793.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397194463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2372 + ... + 28284.

It is an arithmetic number, because the mean of its divisors is an integer number (32651640).

Almost surely, 2^397194464 is an apocalyptic number.

It is an amenable number.

397194464 is a deficient number, since it is larger than the sum of its proper divisors (386444896).

397194464 is a wasteful number, since it uses less digits than its factorization.

397194464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26402 (or 26394 counting only the distinct ones).

The product of its digits is 653184, while the sum is 47.

The square root of 397194464 is about 19929.7381819230. The cubic root of 397194464 is about 735.0796427496.

The spelling of 397194464 in words is "three hundred ninety-seven million, one hundred ninety-four thousand, four hundred sixty-four".