403450985 has 8 divisors (see below), whose sum is σ = 553304256. Its totient is φ = 276652080.

The previous prime is 403450951. The next prime is 403451017. The reversal of 403450985 is 589054304.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 403450985 - 2¹² = 403446889 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 5763551 + ... + 5763620.

It is an arithmetic number, because the mean of its divisors is an integer number (69163032).

Almost surely, 2^403450985 is an apocalyptic number.

It is an amenable number.

403450985 is a deficient number, since it is larger than the sum of its proper divisors (149853271).

403450985 is a wasteful number, since it uses less digits than its factorization.

403450985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11527183.

The product of its (nonzero) digits is 86400, while the sum is 38.

The square root of 403450985 is about 20086.0893406357. The cubic root of 403450985 is about 738.9191580324.

The spelling of 403450985 in words is "four hundred three million, four hundred fifty thousand, nine hundred eighty-five".