397545349 has 8 divisors (see below), whose sum is σ = 403304832. Its totient is φ = 391809120.

The previous prime is 397545331. The next prime is 397545361. The reversal of 397545349 is 943545793.

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 397545349 - 2¹³ = 397537157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397545319) 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, 30217 + ... + 41329.

It is an arithmetic number, because the mean of its divisors is an integer number (50413104).

Almost surely, 2^397545349 is an apocalyptic number.

It is an amenable number.

397545349 is a deficient number, since it is larger than the sum of its proper divisors (5759483).

397545349 is a wasteful number, since it uses less digits than its factorization.

397545349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11627.

The product of its digits is 2041200, while the sum is 49.

The square root of 397545349 is about 19938.5392895267. The cubic root of 397545349 is about 735.2960375965.

The spelling of 397545349 in words is "three hundred ninety-seven million, five hundred forty-five thousand, three hundred forty-nine".