38550009 has 8 divisors (see below), whose sum is σ = 51438240. Its totient is φ = 25680896.

The previous prime is 38550007. The next prime is 38550023. The reversal of 38550009 is 90005583.

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 38550009 - 2¹ = 38550007 is a prime.

It is a super-2 number, since 2×38550009² = 2972206387800162, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (38550007) 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, 889 + ... + 8825.

It is an arithmetic number, because the mean of its divisors is an integer number (6429780).

Almost surely, 2^38550009 is an apocalyptic number.

It is an amenable number.

38550009 is a deficient number, since it is larger than the sum of its proper divisors (12888231).

38550009 is a wasteful number, since it uses less digits than its factorization.

38550009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9559.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 38550009 is about 6208.8653552803. The cubic root of 38550009 is about 337.8118095048.

The spelling of 38550009 in words is "thirty-eight million, five hundred fifty thousand, nine".