38408745 has 8 divisors (see below), whose sum is σ = 61454016. Its totient is φ = 20484656.

The previous prime is 38408717. The next prime is 38408749. The reversal of 38408745 is 54780483.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 38408745 - 2⁶ = 38408681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38408749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1280277 + ... + 1280306.

It is an arithmetic number, because the mean of its divisors is an integer number (7681752).

Almost surely, 2^38408745 is an apocalyptic number.

It is an amenable number.

38408745 is a deficient number, since it is larger than the sum of its proper divisors (23045271).

38408745 is a wasteful number, since it uses less digits than its factorization.

38408745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2560591.

The product of its (nonzero) digits is 107520, while the sum is 39.

The square root of 38408745 is about 6197.4789229170. The cubic root of 38408745 is about 337.3986746583.

The spelling of 38408745 in words is "thirty-eight million, four hundred eight thousand, seven hundred forty-five".