3777401 has 2 divisors, whose sum is σ = 3777402. Its totient is φ = 3777400.

The previous prime is 3777391. The next prime is 3777419. The reversal of 3777401 is 1047773.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3701776 + 75625 = 1924^2 + 275^2 .

It is an emirp because it is prime and its reverse (1047773) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3777401 - 2¹⁸ = 3515257 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3777481) 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, 1888700 + 1888701.

It is an arithmetic number, because the mean of its divisors is an integer number (1888701).

Almost surely, 2^3777401 is an apocalyptic number.

It is an amenable number.

3777401 is a deficient number, since it is larger than the sum of its proper divisors (1).

3777401 is an equidigital number, since it uses as much as digits as its factorization.

3777401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4116, while the sum is 29.

The square root of 3777401 is about 1943.5537039146. The cubic root of 3777401 is about 155.7391130388.

The spelling of 3777401 in words is "three million, seven hundred seventy-seven thousand, four hundred one".