3781057 has 8 divisors (see below), whose sum is σ = 4548800. Its totient is φ = 3070224.

The previous prime is 3781007. The next prime is 3781079. The reversal of 3781057 is 7501873.

3781057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3781057 - 2⁷ = 3780929 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3781007) 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 7 ways as a sum of consecutive naturals, for example, 14082 + ... + 14347.

It is an arithmetic number, because the mean of its divisors is an integer number (568600).

Almost surely, 2^3781057 is an apocalyptic number.

It is an amenable number.

3781057 is a deficient number, since it is larger than the sum of its proper divisors (767743).

3781057 is a wasteful number, since it uses less digits than its factorization.

3781057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28455.

The product of its (nonzero) digits is 5880, while the sum is 31.

The square root of 3781057 is about 1944.4940215902. The cubic root of 3781057 is about 155.7893414544.

The spelling of 3781057 in words is "three million, seven hundred eighty-one thousand, fifty-seven".