38850001 has 4 divisors (see below), whose sum is σ = 39797604. Its totient is φ = 37902400.

The previous prime is 38849999. The next prime is 38850011. The reversal of 38850001 is 10005883.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5198400 + 33651601 = 2280^2 + 5801^2 .

It is a cyclic number.

It is not a de Polignac number, because 38850001 - 2¹ = 38849999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38850011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 473740 + ... + 473821.

It is an arithmetic number, because the mean of its divisors is an integer number (9949401).

Almost surely, 2^38850001 is an apocalyptic number.

It is an amenable number.

38850001 is a deficient number, since it is larger than the sum of its proper divisors (947603).

38850001 is an equidigital number, since it uses as much as digits as its factorization.

38850001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 947602.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 38850001 is about 6232.9768971175. The cubic root of 38850001 is about 338.6858179171.

Adding to 38850001 its reverse (10005883), we get a palindrome (48855884).

The spelling of 38850001 in words is "thirty-eight million, eight hundred fifty thousand, one".