396799243 has 4 divisors (see below), whose sum is σ = 414051408. Its totient is φ = 379547080.

The previous prime is 396799237. The next prime is 396799267. The reversal of 396799243 is 342997693.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 396799243 - 2¹⁷ = 396668171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (396799043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8626048 + ... + 8626093.

It is an arithmetic number, because the mean of its divisors is an integer number (103512852).

Almost surely, 2^396799243 is an apocalyptic number.

396799243 is a deficient number, since it is larger than the sum of its proper divisors (17252165).

396799243 is a wasteful number, since it uses less digits than its factorization.

396799243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17252164.

The product of its digits is 2204496, while the sum is 52.

The square root of 396799243 is about 19919.8203556157. The cubic root of 396799243 is about 734.8357527078.

The spelling of 396799243 in words is "three hundred ninety-six million, seven hundred ninety-nine thousand, two hundred forty-three".