397203329 has 8 divisors (see below), whose sum is σ = 403396032. Its totient is φ = 391055760.

The previous prime is 397203277. The next prime is 397203349. The reversal of 397203329 is 923302793.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-397203329 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 397203292 and 397203301.

It is not an unprimeable number, because it can be changed into a prime (397203349) 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, 6674 + ... + 28964.

It is an arithmetic number, because the mean of its divisors is an integer number (50424504).

Almost surely, 2^397203329 is an apocalyptic number.

It is an amenable number.

397203329 is a deficient number, since it is larger than the sum of its proper divisors (6192703).

397203329 is a wasteful number, since it uses less digits than its factorization.

397203329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22567.

The product of its (nonzero) digits is 61236, while the sum is 38.

The square root of 397203329 is about 19929.9605870157. The cubic root of 397203329 is about 735.0851114668.

The spelling of 397203329 in words is "three hundred ninety-seven million, two hundred three thousand, three hundred twenty-nine".