449961 has 8 divisors (see below), whose sum is σ = 605184. Its totient is φ = 297360.

The previous prime is 449959. The next prime is 449963. The reversal of 449961 is 169944.

It is an interprime number because it is at equal distance from previous prime (449959) and next prime (449963).

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

It is not a de Polignac number, because 449961 - 2¹ = 449959 is a prime.

It is an Ulam number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 449961.

It is not an unprimeable number, because it can be changed into a prime (449963) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210 + ... + 971.

It is an arithmetic number, because the mean of its divisors is an integer number (75648).

2⁴⁴⁹⁹⁶¹ is an apocalyptic number.

It is an amenable number.

449961 is a deficient number, since it is larger than the sum of its proper divisors (155223).

449961 is a wasteful number, since it uses less digits than its factorization.

449961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1311.

The product of its digits is 7776, while the sum is 33.

The square root of 449961 is about 670.7913237364. The cubic root of 449961 is about 76.6287293926.

It can be divided in two parts, 4499 and 61, that added together give a triangular number (4560 = T₉₅).

The spelling of 449961 in words is "four hundred forty-nine thousand, nine hundred sixty-one".