396903443 has 4 divisors (see below), whose sum is σ = 403630680. Its totient is φ = 390176208.

The previous prime is 396903431. The next prime is 396903461. The reversal of 396903443 is 344309693.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 396903443 - 2¹⁴ = 396887059 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 396903443.

It is not an unprimeable number, because it can be changed into a prime (396903413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3363530 + ... + 3363647.

It is an arithmetic number, because the mean of its divisors is an integer number (100907670).

Almost surely, 2^396903443 is an apocalyptic number.

396903443 is a deficient number, since it is larger than the sum of its proper divisors (6727237).

396903443 is an equidigital number, since it uses as much as digits as its factorization.

396903443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6727236.

The product of its (nonzero) digits is 209952, while the sum is 41.

The square root of 396903443 is about 19922.4356693653. The cubic root of 396903443 is about 734.9000700214.

The spelling of 396903443 in words is "three hundred ninety-six million, nine hundred three thousand, four hundred forty-three".