396955743 has 8 divisors (see below), whose sum is σ = 539260848. Its totient is φ = 259643904.

The previous prime is 396955739. The next prime is 396955751. The reversal of 396955743 is 347559693.

It is a happy number.

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

It is not a de Polignac number, because 396955743 - 2² = 396955739 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396955703) 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, 1248130 + ... + 1248447.

It is an arithmetic number, because the mean of its divisors is an integer number (67407606).

Almost surely, 2^396955743 is an apocalyptic number.

396955743 is a deficient number, since it is larger than the sum of its proper divisors (142305105).

396955743 is a wasteful number, since it uses less digits than its factorization.

396955743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2496633.

The product of its digits is 3061800, while the sum is 51.

The square root of 396955743 is about 19923.7482166384. The cubic root of 396955743 is about 734.9323478850.

The spelling of 396955743 in words is "three hundred ninety-six million, nine hundred fifty-five thousand, seven hundred forty-three".