396430346 has 32 divisors (see below), whose sum is σ = 677714688. Its totient is φ = 172529280.

The previous prime is 396430343. The next prime is 396430351. The reversal of 396430346 is 643034693.

It is not an unprimeable number, because it can be changed into a prime (396430343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37790 + ... + 47126.

It is an arithmetic number, because the mean of its divisors is an integer number (21178584).

Almost surely, 2^396430346 is an apocalyptic number.

396430346 is a deficient number, since it is larger than the sum of its proper divisors (281284342).

396430346 is a wasteful number, since it uses less digits than its factorization.

396430346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9446.

The product of its (nonzero) digits is 139968, while the sum is 38.

The square root of 396430346 is about 19910.5586561503. The cubic root of 396430346 is about 734.6079609815.

The spelling of 396430346 in words is "three hundred ninety-six million, four hundred thirty thousand, three hundred forty-six".