396269943 has 8 divisors (see below), whose sum is σ = 533490048. Its totient is φ = 261614904.

The previous prime is 396269941. The next prime is 396269977. The reversal of 396269943 is 349962693.

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

It is not a de Polignac number, because 396269943 - 2¹ = 396269941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396269941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 640905 + ... + 641522.

It is an arithmetic number, because the mean of its divisors is an integer number (66686256).

Almost surely, 2^396269943 is an apocalyptic number.

396269943 is a deficient number, since it is larger than the sum of its proper divisors (137220105).

396269943 is a wasteful number, since it uses less digits than its factorization.

396269943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1282533.

The product of its digits is 1889568, while the sum is 51.

The square root of 396269943 is about 19906.5301597240. The cubic root of 396269943 is about 734.5088689905.

The spelling of 396269943 in words is "three hundred ninety-six million, two hundred sixty-nine thousand, nine hundred forty-three".