3816401 has 4 divisors (see below), whose sum is σ = 3821412. Its totient is φ = 3811392.

The previous prime is 3816391. The next prime is 3816427. The reversal of 3816401 is 1046183.

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 297025 + 3519376 = 545^2 + 1876^2 .

It is a cyclic number.

It is not a de Polignac number, because 3816401 - 2¹⁰ = 3815377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3816431) 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 in 3 ways as a sum of consecutive naturals, for example, 1100 + ... + 2973.

It is an arithmetic number, because the mean of its divisors is an integer number (955353).

Almost surely, 2^3816401 is an apocalyptic number.

It is an amenable number.

3816401 is a deficient number, since it is larger than the sum of its proper divisors (5011).

3816401 is an equidigital number, since it uses as much as digits as its factorization.

3816401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5010.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 3816401 is about 1953.5611073115. The cubic root of 3816401 is about 156.2732581911.

The spelling of 3816401 in words is "three million, eight hundred sixteen thousand, four hundred one".