448949637 has 18 divisors (see below), whose sum is σ = 654750278. Its totient is φ = 296434512.

The previous prime is 448949629. The next prime is 448949639. The reversal of 448949637 is 736949844.

It is a happy number.

448949637 is a `hidden beast` number, since 44 + 89 + 496 + 37 = 666.

It can be written as a sum of positive squares in only one way, i.e., 448846596 + 103041 = 21186^2 + 321^2 .

It is not a de Polignac number, because 448949637 - 2³ = 448949629 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 (448949639) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 100863 + ... + 105219.

Almost surely, 2^448949637 is an apocalyptic number.

It is an amenable number.

448949637 is a deficient number, since it is larger than the sum of its proper divisors (205800641).

448949637 is a wasteful number, since it uses less digits than its factorization.

448949637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4577 (or 4467 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 54.

The square root of 448949637 is about 21188.4316786307. The cubic root of 448949637 is about 765.7127434011.

The spelling of 448949637 in words is "four hundred forty-eight million, nine hundred forty-nine thousand, six hundred thirty-seven".