449049386 has 4 divisors (see below), whose sum is σ = 673574082. Its totient is φ = 224524692.

The previous prime is 449049383. The next prime is 449049389. The reversal of 449049386 is 683940944.

It is a happy number.

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 (449049383) and next prime (449049389).

It can be written as a sum of positive squares in only one way, i.e., 447534025 + 1515361 = 21155^2 + 1231^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 449049386.

It is not an unprimeable number, because it can be changed into a prime (449049383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112262345 + ... + 112262348.

Almost surely, 2^449049386 is an apocalyptic number.

449049386 is a deficient number, since it is larger than the sum of its proper divisors (224524696).

449049386 is a wasteful number, since it uses less digits than its factorization.

449049386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224524695.

The product of its (nonzero) digits is 746496, while the sum is 47.

The square root of 449049386 is about 21190.7854030944. The cubic root of 449049386 is about 765.7694486661.

The spelling of 449049386 in words is "four hundred forty-nine million, forty-nine thousand, three hundred eighty-six".