397743223 has 8 divisors (see below), whose sum is σ = 400473792. Its totient is φ = 395022336.

The previous prime is 397743193. The next prime is 397743233. The reversal of 397743223 is 322347793.

It is a happy number.

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 397743223 - 2¹³ = 397735031 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 (397743233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92211 + ... + 96427.

It is an arithmetic number, because the mean of its divisors is an integer number (50059224).

Almost surely, 2^397743223 is an apocalyptic number.

397743223 is a deficient number, since it is larger than the sum of its proper divisors (2730569).

397743223 is a wasteful number, since it uses less digits than its factorization.

397743223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4841.

The product of its digits is 190512, while the sum is 40.

The square root of 397743223 is about 19943.5007709279. The cubic root of 397743223 is about 735.4180126412.

The spelling of 397743223 in words is "three hundred ninety-seven million, seven hundred forty-three thousand, two hundred twenty-three".