3780929 has 2 divisors, whose sum is σ = 3780930. Its totient is φ = 3780928.

The previous prime is 3780893. The next prime is 3780937. The reversal of 3780929 is 9290873.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3713329 + 67600 = 1927^2 + 260^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3780929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3780892 and 3780901.

It is not a weakly prime, because it can be changed into another prime (3780949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1890464 + 1890465.

It is an arithmetic number, because the mean of its divisors is an integer number (1890465).

Almost surely, 2^3780929 is an apocalyptic number.

It is an amenable number.

3780929 is a deficient number, since it is larger than the sum of its proper divisors (1).

3780929 is an equidigital number, since it uses as much as digits as its factorization.

3780929 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 3780929 is about 1944.4611078651. The cubic root of 3780929 is about 155.7875834574.

The spelling of 3780929 in words is "three million, seven hundred eighty thousand, nine hundred twenty-nine".