449092621 has 8 divisors (see below), whose sum is σ = 477231480. Its totient is φ = 421145088.

The previous prime is 449092619. The next prime is 449092627. The reversal of 449092621 is 126290944.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4473225 + 444619396 = 2115^2 + 21086^2 .

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 449092621 - 2¹ = 449092619 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449092627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42976 + ... + 52393.

It is an arithmetic number, because the mean of its divisors is an integer number (59653935).

Almost surely, 2^449092621 is an apocalyptic number.

It is an amenable number.

449092621 is a deficient number, since it is larger than the sum of its proper divisors (28138859).

449092621 is a wasteful number, since it uses less digits than its factorization.

449092621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95663.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 449092621 is about 21191.8055153401. The cubic root of 449092621 is about 765.7940242700.

The spelling of 449092621 in words is "four hundred forty-nine million, ninety-two thousand, six hundred twenty-one".