38942401 has 4 divisors (see below), whose sum is σ = 39042900. Its totient is φ = 38841904.

The previous prime is 38942383. The next prime is 38942411. The reversal of 38942401 is 10424983.

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 5764801 + 33177600 = 2401^2 + 5760^2 .

It is a cyclic number.

It is not a de Polignac number, because 38942401 - 2¹³ = 38934209 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38942411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49666 + ... + 50443.

It is an arithmetic number, because the mean of its divisors is an integer number (9760725).

Almost surely, 2^38942401 is an apocalyptic number.

It is an amenable number.

38942401 is a deficient number, since it is larger than the sum of its proper divisors (100499).

38942401 is a wasteful number, since it uses less digits than its factorization.

38942401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100498.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 38942401 is about 6240.3846836553. The cubic root of 38942401 is about 338.9541129955.

The spelling of 38942401 in words is "thirty-eight million, nine hundred forty-two thousand, four hundred one".