38505985 has 8 divisors (see below), whose sum is σ = 52808256. Its totient is φ = 26404080.

The previous prime is 38505959. The next prime is 38505991. The reversal of 38505985 is 58950583.

It is a happy number.

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

It is not a de Polignac number, because 38505985 - 2¹⁵ = 38473217 is a prime.

It is a Duffinian number.

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, 550051 + ... + 550120.

It is an arithmetic number, because the mean of its divisors is an integer number (6601032).

Almost surely, 2^38505985 is an apocalyptic number.

38505985 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

38505985 is a deficient number, since it is larger than the sum of its proper divisors (14302271).

38505985 is a wasteful number, since it uses less digits than its factorization.

38505985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100183.

The product of its (nonzero) digits is 216000, while the sum is 43.

The square root of 38505985 is about 6205.3190892975. The cubic root of 38505985 is about 337.6831671492.

The spelling of 38505985 in words is "thirty-eight million, five hundred five thousand, nine hundred eighty-five".