441408697 has 4 divisors (see below), whose sum is σ = 441470196. Its totient is φ = 441347200.

The previous prime is 441408673. The next prime is 441408701. The reversal of 441408697 is 796804144.

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

It can be written as a sum of positive squares in 2 ways, for example, as 406586896 + 34821801 = 20164^2 + 5901^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-441408697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (441408607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18304 + ... + 34897.

It is an arithmetic number, because the mean of its divisors is an integer number (110367549).

Almost surely, 2^441408697 is an apocalyptic number.

It is an amenable number.

441408697 is a deficient number, since it is larger than the sum of its proper divisors (61499).

441408697 is an equidigital number, since it uses as much as digits as its factorization.

441408697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61498.

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

The square root of 441408697 is about 21009.7286274716. The cubic root of 441408697 is about 761.4013255896.

The spelling of 441408697 in words is "four hundred forty-one million, four hundred eight thousand, six hundred ninety-seven".