38578065 has 8 divisors (see below), whose sum is σ = 61724928. Its totient is φ = 20574960.

The previous prime is 38578039. The next prime is 38578081. The reversal of 38578065 is 56087583.

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

It is not a de Polignac number, because 38578065 - 2¹⁹ = 38053777 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1285921 + ... + 1285950.

It is an arithmetic number, because the mean of its divisors is an integer number (7715616).

Almost surely, 2^38578065 is an apocalyptic number.

It is an amenable number.

38578065 is a deficient number, since it is larger than the sum of its proper divisors (23146863).

38578065 is a wasteful number, since it uses less digits than its factorization.

38578065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2571879.

The product of its (nonzero) digits is 201600, while the sum is 42.

The square root of 38578065 is about 6211.1242943609. The cubic root of 38578065 is about 337.8937407423.

The spelling of 38578065 in words is "thirty-eight million, five hundred seventy-eight thousand, sixty-five".