396451066 has 8 divisors (see below), whose sum is σ = 648738144. Its totient is φ = 180205020.

The previous prime is 396451061. The next prime is 396451073. The reversal of 396451066 is 660154693.

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

It is not an unprimeable number, because it can be changed into a prime (396451061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9010230 + ... + 9010273.

It is an arithmetic number, because the mean of its divisors is an integer number (81092268).

Almost surely, 2^396451066 is an apocalyptic number.

396451066 is a deficient number, since it is larger than the sum of its proper divisors (252287078).

396451066 is a wasteful number, since it uses less digits than its factorization.

396451066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18020516.

The product of its (nonzero) digits is 116640, while the sum is 40.

The square root of 396451066 is about 19911.0789762886. The cubic root of 396451066 is about 734.6207592044.

The spelling of 396451066 in words is "three hundred ninety-six million, four hundred fifty-one thousand, sixty-six".