396394426 has 16 divisors (see below), whose sum is σ = 600112800. Its totient is φ = 196365328.

The previous prime is 396394403. The next prime is 396394433. The reversal of 396394426 is 624493693.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103005 + ... + 106783.

It is an arithmetic number, because the mean of its divisors is an integer number (37507050).

Almost surely, 2^396394426 is an apocalyptic number.

396394426 is a deficient number, since it is larger than the sum of its proper divisors (203718374).

396394426 is a wasteful number, since it uses less digits than its factorization.

396394426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4253.

The product of its digits is 839808, while the sum is 46.

The square root of 396394426 is about 19909.6566017599. The cubic root of 396394426 is about 734.5857730442.

It can be divided in two parts, 3963 and 94426, that added together give a palindrome (98389).

The spelling of 396394426 in words is "three hundred ninety-six million, three hundred ninety-four thousand, four hundred twenty-six".