449964739 has 8 divisors (see below), whose sum is σ = 522961920. Its totient is φ = 379146696.

The previous prime is 449964727. The next prime is 449964743. The reversal of 449964739 is 937469944.

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 449964739 - 2⁷ = 449964611 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 449964739.

It is not an unprimeable number, because it can be changed into a prime (449964769) 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, 544339 + ... + 545164.

It is an arithmetic number, because the mean of its divisors is an integer number (65370240).

Almost surely, 2^449964739 is an apocalyptic number.

449964739 is a deficient number, since it is larger than the sum of its proper divisors (72997181).

449964739 is a wasteful number, since it uses less digits than its factorization.

449964739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1089569.

The product of its digits is 5878656, while the sum is 55.

The square root of 449964739 is about 21212.3723095744. The cubic root of 449964739 is about 766.2894164360.

The spelling of 449964739 in words is "four hundred forty-nine million, nine hundred sixty-four thousand, seven hundred thirty-nine".