396543026 has 16 divisors (see below), whose sum is σ = 653846688. Its totient is φ = 178869600.

The previous prime is 396543019. The next prime is 396543047. The reversal of 396543026 is 620345693.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65915 + ... + 71678.

It is an arithmetic number, because the mean of its divisors is an integer number (40865418).

Almost surely, 2^396543026 is an apocalyptic number.

396543026 is a deficient number, since it is larger than the sum of its proper divisors (257303662).

396543026 is a wasteful number, since it uses less digits than its factorization.

396543026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137737.

The product of its (nonzero) digits is 116640, while the sum is 38.

The square root of 396543026 is about 19913.3881095106. The cubic root of 396543026 is about 734.6775552028.

The spelling of 396543026 in words is "three hundred ninety-six million, five hundred forty-three thousand, twenty-six".