396406043 has 6 divisors (see below), whose sum is σ = 435719172. Its totient is φ = 360369020.

The previous prime is 396406039. The next prime is 396406069. The reversal of 396406043 is 340604693.

It is a happy number.

It is not a de Polignac number, because 396406043 - 2² = 396406039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 396405994 and 396406012.

It is not an unprimeable number, because it can be changed into a prime (396406013) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1637921 + ... + 1638162.

It is an arithmetic number, because the mean of its divisors is an integer number (72619862).

Almost surely, 2^396406043 is an apocalyptic number.

396406043 is a deficient number, since it is larger than the sum of its proper divisors (39313129).

396406043 is a wasteful number, since it uses less digits than its factorization.

396406043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3276105 (or 3276094 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 35.

The square root of 396406043 is about 19909.9483424744. The cubic root of 396406043 is about 734.5929490613.

The spelling of 396406043 in words is "three hundred ninety-six million, four hundred six thousand, forty-three".