3912401 has 2 divisors, whose sum is σ = 3912402. Its totient is φ = 3912400.

The previous prime is 3912379. The next prime is 3912413. The reversal of 3912401 is 1042193.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3066001 + 846400 = 1751^2 + 920^2 .

It is an emirp because it is prime and its reverse (1042193) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3912401 - 2¹⁴ = 3896017 is a prime.

It is not a weakly prime, because it can be changed into another prime (3912451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1956200 + 1956201.

It is an arithmetic number, because the mean of its divisors is an integer number (1956201).

Almost surely, 2^3912401 is an apocalyptic number.

It is an amenable number.

3912401 is a deficient number, since it is larger than the sum of its proper divisors (1).

3912401 is an equidigital number, since it uses as much as digits as its factorization.

3912401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 3912401 is about 1977.9790191001. The cubic root of 3912401 is about 157.5727521455.

Adding to 3912401 its reverse (1042193), we get a palindrome (4954594).

The spelling of 3912401 in words is "three million, nine hundred twelve thousand, four hundred one".