3780836 has 6 divisors (see below), whose sum is σ = 6616470. Its totient is φ = 1890416.

The previous prime is 3780823. The next prime is 3780839. The reversal of 3780836 is 6380873.

3780836 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 3587236 + 193600 = 1894^2 + 440^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3780796 and 3780805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3780839) 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 as a sum of consecutive naturals, namely, 472601 + ... + 472608.

It is an arithmetic number, because the mean of its divisors is an integer number (1102745).

Almost surely, 2^3780836 is an apocalyptic number.

It is an amenable number.

3780836 is a deficient number, since it is larger than the sum of its proper divisors (2835634).

3780836 is a wasteful number, since it uses less digits than its factorization.

3780836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 945213 (or 945211 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 3780836 is about 1944.4371936373. The cubic root of 3780836 is about 155.7863061378.

The spelling of 3780836 in words is "three million, seven hundred eighty thousand, eight hundred thirty-six".