396443704 has 32 divisors (see below), whose sum is σ = 755820000. Its totient is φ = 194919552.

The previous prime is 396443701. The next prime is 396443737. The reversal of 396443704 is 407344693.

It is a super-2 number, since 2×396443704² = 314335220882479232, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396443701) 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 7 ways as a sum of consecutive naturals, for example, 121162 + ... + 124390.

It is an arithmetic number, because the mean of its divisors is an integer number (23619375).

Almost surely, 2^396443704 is an apocalyptic number.

It is an amenable number.

396443704 is a deficient number, since it is larger than the sum of its proper divisors (359376296).

396443704 is a wasteful number, since it uses less digits than its factorization.

396443704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3487 (or 3483 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 40.

The square root of 396443704 is about 19910.8941034801. The cubic root of 396443704 is about 734.6162119332.

The spelling of 396443704 in words is "three hundred ninety-six million, four hundred forty-three thousand, seven hundred four".