449988941 has 4 divisors (see below), whose sum is σ = 450066432. Its totient is φ = 449911452.

The previous prime is 449988923. The next prime is 449988943. The reversal of 449988941 is 149889944.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-449988941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449988943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29261 + ... + 41906.

It is an arithmetic number, because the mean of its divisors is an integer number (112516608).

Almost surely, 2^449988941 is an apocalyptic number.

It is an amenable number.

449988941 is a deficient number, since it is larger than the sum of its proper divisors (77491).

449988941 is an equidigital number, since it uses as much as digits as its factorization.

449988941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77490.

The product of its digits is 2985984, while the sum is 56.

The square root of 449988941 is about 21212.9427708651. The cubic root of 449988941 is about 766.3031548488.

The spelling of 449988941 in words is "four hundred forty-nine million, nine hundred eighty-eight thousand, nine hundred forty-one".