449615 has 4 divisors (see below), whose sum is σ = 539544. Its totient is φ = 359688.

The previous prime is 449609. The next prime is 449621. The reversal of 449615 is 516944.

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

It is an interprime number because it is at equal distance from previous prime (449609) and next prime (449621).

It is a cyclic number.

It is not a de Polignac number, because 449615 - 2¹⁶ = 384079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44957 + ... + 44966.

It is an arithmetic number, because the mean of its divisors is an integer number (134886).

2⁴⁴⁹⁶¹⁵ is an apocalyptic number.

449615 is a deficient number, since it is larger than the sum of its proper divisors (89929).

449615 is an equidigital number, since it uses as much as digits as its factorization.

449615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89928.

The product of its digits is 4320, while the sum is 29.

The square root of 449615 is about 670.5333697886. The cubic root of 449615 is about 76.6090829942.

The spelling of 449615 in words is "four hundred forty-nine thousand, six hundred fifteen".