38487449 has 16 divisors (see below), whose sum is σ = 51676800. Its totient is φ = 27682560.

The previous prime is 38487443. The next prime is 38487469. The reversal of 38487449 is 94478483.

It is a cyclic number.

It is not a de Polignac number, because 38487449 - 2⁴ = 38487433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38487443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18224 + ... + 20225.

It is an arithmetic number, because the mean of its divisors is an integer number (3229800).

Almost surely, 2^38487449 is an apocalyptic number.

It is an amenable number.

38487449 is a deficient number, since it is larger than the sum of its proper divisors (13189351).

38487449 is a wasteful number, since it uses less digits than its factorization.

38487449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38480.

The product of its digits is 774144, while the sum is 47.

The square root of 38487449 is about 6203.8253521517. The cubic root of 38487449 is about 337.6289738438.

The spelling of 38487449 in words is "thirty-eight million, four hundred eighty-seven thousand, four hundred forty-nine".