403447396 has 45 divisors (see below), whose sum is σ = 786101155. Its totient is φ = 181175720.

The previous prime is 403447379. The next prime is 403447397. The reversal of 403447396 is 693744304.

The square root of 403447396 is 20086.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (403447397) 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 14 ways as a sum of consecutive naturals, for example, 4860771 + ... + 4860853.

Almost surely, 2^403447396 is an apocalyptic number.

403447396 is the 20086-th square number.

It is an amenable number.

403447396 is a deficient number, since it is larger than the sum of its proper divisors (382653759).

403447396 is an frugal number, since it uses more digits than its factorization.

403447396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214 (or 96 counting only the distinct ones).

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

The cubic root of 403447396 is about 738.9169669454.

The spelling of 403447396 in words is "four hundred three million, four hundred forty-seven thousand, three hundred ninety-six".