397850573 has 8 divisors (see below), whose sum is σ = 415594368. Its totient is φ = 380143984.

The previous prime is 397850569. The next prime is 397850587. The reversal of 397850573 is 375058793.

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 397850573 - 2² = 397850569 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 (397850543) 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, 13811 + ... + 31407.

It is an arithmetic number, because the mean of its divisors is an integer number (51949296).

Almost surely, 2^397850573 is an apocalyptic number.

It is an amenable number.

397850573 is a deficient number, since it is larger than the sum of its proper divisors (17743795).

397850573 is a wasteful number, since it uses less digits than its factorization.

397850573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18603.

The product of its (nonzero) digits is 793800, while the sum is 47.

The square root of 397850573 is about 19946.1919423232. The cubic root of 397850573 is about 735.4841692447.

The spelling of 397850573 in words is "three hundred ninety-seven million, eight hundred fifty thousand, five hundred seventy-three".