396452546 has 16 divisors (see below), whose sum is σ = 719611776. Its totient is φ = 159913536.

The previous prime is 396452543. The next prime is 396452557. The reversal of 396452546 is 645254693.

It is a junction number, because it is equal to n+sod(n) for n = 396452497 and 396452506.

It is not an unprimeable number, because it can be changed into a prime (396452543) by changing a digit.

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, 832646 + ... + 833121.

It is an arithmetic number, because the mean of its divisors is an integer number (44975736).

Almost surely, 2^396452546 is an apocalyptic number.

396452546 is a deficient number, since it is larger than the sum of its proper divisors (323159230).

396452546 is a wasteful number, since it uses less digits than its factorization.

396452546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1665793.

The product of its digits is 777600, while the sum is 44.

The square root of 396452546 is about 19911.1161414924. The cubic root of 396452546 is about 734.6216733461.

The spelling of 396452546 in words is "three hundred ninety-six million, four hundred fifty-two thousand, five hundred forty-six".