3780841 has 4 divisors (see below), whose sum is σ = 3842884. Its totient is φ = 3718800.

The previous prime is 3780839. The next prime is 3780857. The reversal of 3780841 is 1480873.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1480873 = 53 ⋅27941.

It can be written as a sum of positive squares in 2 ways, for example, as 958441 + 2822400 = 979^2 + 1680^2 .

It is a cyclic number.

It is not a de Polignac number, because 3780841 - 2¹ = 3780839 is a prime.

It is an Ulam number.

It is a Duffinian number.

3780841 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3780811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30930 + ... + 31051.

It is an arithmetic number, because the mean of its divisors is an integer number (960721).

Almost surely, 2^3780841 is an apocalyptic number.

It is an amenable number.

3780841 is a deficient number, since it is larger than the sum of its proper divisors (62043).

3780841 is an equidigital number, since it uses as much as digits as its factorization.

3780841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62042.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 3780841 is about 1944.4384793559. The cubic root of 3780841 is about 155.7863748114.

Subtracting from 3780841 its reverse (1480873), we obtain a cube (2299968 = 132³).

The spelling of 3780841 in words is "three million, seven hundred eighty thousand, eight hundred forty-one".