38400201 has 12 divisors (see below), whose sum is σ = 63390912. Its totient is φ = 21942936.

The previous prime is 38400181. The next prime is 38400211. The reversal of 38400201 is 10200483.

It is a happy number.

It is not a de Polignac number, because 38400201 - 2⁷ = 38400073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38400211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 304701 + ... + 304826.

It is an arithmetic number, because the mean of its divisors is an integer number (5282576).

Almost surely, 2^38400201 is an apocalyptic number.

It is an amenable number.

38400201 is a deficient number, since it is larger than the sum of its proper divisors (24990711).

38400201 is a wasteful number, since it uses less digits than its factorization.

38400201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609540 (or 609537 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 38400201 is about 6196.7895720284. The cubic root of 38400201 is about 337.3736547654.

Adding to 38400201 its reverse (10200483), we get a palindrome (48600684).

The spelling of 38400201 in words is "thirty-eight million, four hundred thousand, two hundred one".