396196447 has 4 divisors (see below), whose sum is σ = 396267760. Its totient is φ = 396125136.

The previous prime is 396196429. The next prime is 396196499. The reversal of 396196447 is 744691693.

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 396196447 - 2¹⁵ = 396163679 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 396196447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396196547) 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, 26547 + ... + 38692.

It is an arithmetic number, because the mean of its divisors is an integer number (99066940).

Almost surely, 2^396196447 is an apocalyptic number.

396196447 is a deficient number, since it is larger than the sum of its proper divisors (71313).

396196447 is an equidigital number, since it uses as much as digits as its factorization.

396196447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71312.

The product of its digits is 979776, while the sum is 49.

The square root of 396196447 is about 19904.6840467263. The cubic root of 396196447 is about 734.4634565113.

The spelling of 396196447 in words is "three hundred ninety-six million, one hundred ninety-six thousand, four hundred forty-seven".