38449448 has 8 divisors (see below), whose sum is σ = 72092730. Its totient is φ = 19224720.

The previous prime is 38449441. The next prime is 38449451. The reversal of 38449448 is 84494483.

It can be written as a sum of positive squares in only one way, i.e., 38217124 + 232324 = 6182^2 + 482^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 38449399 and 38449408.

It is not an unprimeable number, because it can be changed into a prime (38449441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2403083 + ... + 2403098.

Almost surely, 2^38449448 is an apocalyptic number.

It is an amenable number.

38449448 is a deficient number, since it is larger than the sum of its proper divisors (33643282).

38449448 is a wasteful number, since it uses less digits than its factorization.

38449448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4806187 (or 4806183 counting only the distinct ones).

The product of its digits is 442368, while the sum is 44.

The square root of 38449448 is about 6200.7618886714. The cubic root of 38449448 is about 337.5178167092.

The spelling of 38449448 in words is "thirty-eight million, four hundred forty-nine thousand, four hundred forty-eight".