441398164 has 6 divisors (see below), whose sum is σ = 772446794. Its totient is φ = 220699080.

The previous prime is 441398161. The next prime is 441398171. The reversal of 441398164 is 461893144.

It can be written as a sum of positive squares in only one way, i.e., 436810000 + 4588164 = 20900^2 + 2142^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (441398161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55174767 + ... + 55174774.

Almost surely, 2^441398164 is an apocalyptic number.

It is an amenable number.

441398164 is a deficient number, since it is larger than the sum of its proper divisors (331048630).

441398164 is a wasteful number, since it uses less digits than its factorization.

441398164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110349545 (or 110349543 counting only the distinct ones).

The product of its digits is 82944, while the sum is 40.

The square root of 441398164 is about 21009.4779563891. The cubic root of 441398164 is about 761.3952692945.

The spelling of 441398164 in words is "four hundred forty-one million, three hundred ninety-eight thousand, one hundred sixty-four".