38750401 has 4 divisors (see below), whose sum is σ = 38835652. Its totient is φ = 38665152.

The previous prime is 38750389. The next prime is 38750407. The reversal of 38750401 is 10405783.

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 34527376 + 4223025 = 5876^2 + 2055^2 .

It is a cyclic number.

It is not a de Polignac number, because 38750401 - 2²¹ = 36653249 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38750401.

It is not an unprimeable number, because it can be changed into a prime (38750407) 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, 41940 + ... + 42853.

It is an arithmetic number, because the mean of its divisors is an integer number (9708913).

Almost surely, 2^38750401 is an apocalyptic number.

It is an amenable number.

38750401 is a deficient number, since it is larger than the sum of its proper divisors (85251).

38750401 is an equidigital number, since it uses as much as digits as its factorization.

38750401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85250.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 38750401 is about 6224.9820080061. The cubic root of 38750401 is about 338.3961398820.

The spelling of 38750401 in words is "thirty-eight million, seven hundred fifty thousand, four hundred one".