3780923 has 4 divisors (see below), whose sum is σ = 3789000. Its totient is φ = 3772848.

The previous prime is 3780893. The next prime is 3780929. The reversal of 3780923 is 3290873.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3780923 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3780923.

It is not an unprimeable number, because it can be changed into a prime (3780929) 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, 3290 + ... + 4287.

It is an arithmetic number, because the mean of its divisors is an integer number (947250).

Almost surely, 2^3780923 is an apocalyptic number.

3780923 is a deficient number, since it is larger than the sum of its proper divisors (8077).

3780923 is an equidigital number, since it uses as much as digits as its factorization.

3780923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8076.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 3780923 is about 1944.4595650206. The cubic root of 3780923 is about 155.7875010503.

The spelling of 3780923 in words is "three million, seven hundred eighty thousand, nine hundred twenty-three".