3780823 has 2 divisors, whose sum is σ = 3780824. Its totient is φ = 3780822.

The previous prime is 3780811. The next prime is 3780839. The reversal of 3780823 is 3280873.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3780823 is a prime.

3780823 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3780863) 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, 1890411 + 1890412.

It is an arithmetic number, because the mean of its divisors is an integer number (1890412).

Almost surely, 2^3780823 is an apocalyptic number.

3780823 is a deficient number, since it is larger than the sum of its proper divisors (1).

3780823 is an equidigital number, since it uses as much as digits as its factorization.

3780823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 3780823 is about 1944.4338507648. The cubic root of 3780823 is about 155.7861275861.

The spelling of 3780823 in words is "three million, seven hundred eighty thousand, eight hundred twenty-three".