397444267 has 8 divisors (see below), whose sum is σ = 442801152. Its totient is φ = 353625000.

The previous prime is 397444253. The next prime is 397444319. The reversal of 397444267 is 762444793.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 397444267 - 2¹¹ = 397442219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (397444667) 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, 383859 + ... + 384892.

It is an arithmetic number, because the mean of its divisors is an integer number (55350144).

Almost surely, 2^397444267 is an apocalyptic number.

397444267 is a deficient number, since it is larger than the sum of its proper divisors (45356885).

397444267 is a wasteful number, since it uses less digits than its factorization.

397444267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768809.

The product of its digits is 1016064, while the sum is 46.

The square root of 397444267 is about 19936.0042887235. The cubic root of 397444267 is about 735.2337122169.

The spelling of 397444267 in words is "three hundred ninety-seven million, four hundred forty-four thousand, two hundred sixty-seven".