38408445 has 16 divisors (see below), whose sum is σ = 68281920. Its totient is φ = 20484432.

The previous prime is 38408429. The next prime is 38408453. The reversal of 38408445 is 54480483.

It is not a de Polignac number, because 38408445 - 2⁴ = 38408429 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142119 + ... + 142388.

It is an arithmetic number, because the mean of its divisors is an integer number (4267620).

Almost surely, 2^38408445 is an apocalyptic number.

It is an amenable number.

38408445 is a deficient number, since it is larger than the sum of its proper divisors (29873475).

38408445 is a wasteful number, since it uses less digits than its factorization.

38408445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284521 (or 284515 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 36.

The square root of 38408445 is about 6197.4547194796. The cubic root of 38408445 is about 337.3977962137.

The spelling of 38408445 in words is "thirty-eight million, four hundred eight thousand, four hundred forty-five".