407816449 has 8 divisors (see below), whose sum is σ = 414415040. Its totient is φ = 401268816.

The previous prime is 407816413. The next prime is 407816459. The reversal of 407816449 is 944618704.

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

It is a cyclic number.

It is not a de Polignac number, because 407816449 - 2⁹ = 407815937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (407816459) 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, 3562 + ... + 28780.

It is an arithmetic number, because the mean of its divisors is an integer number (51801880).

Almost surely, 2^407816449 is an apocalyptic number.

It is an amenable number.

407816449 is a deficient number, since it is larger than the sum of its proper divisors (6598591).

407816449 is a wasteful number, since it uses less digits than its factorization.

407816449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25479.

The product of its (nonzero) digits is 193536, while the sum is 43.

The square root of 407816449 is about 20194.4658013031. The cubic root of 407816449 is about 741.5747139686.

It can be divided in two parts, 4078164 and 49, that multiplied together give a triangular number (199830036 = T₁₉₉₉₁).

The spelling of 407816449 in words is "four hundred seven million, eight hundred sixteen thousand, four hundred forty-nine".