3780305636 has 6 divisors (see below), whose sum is σ = 6615534870. Its totient is φ = 1890152816.

The previous prime is 3780305629. The next prime is 3780305647. The reversal of 3780305636 is 6365030873.

It can be written as a sum of positive squares in only one way, i.e., 2168764900 + 1611540736 = 46570^2 + 40144^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3780305593 and 3780305602.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 472538201 + ... + 472538208.

It is an arithmetic number, because the mean of its divisors is an integer number (1102589145).

Almost surely, 2^3780305636 is an apocalyptic number.

It is an amenable number.

3780305636 is a deficient number, since it is larger than the sum of its proper divisors (2835229234).

3780305636 is a wasteful number, since it uses less digits than its factorization.

3780305636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 945076413 (or 945076411 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 41.

The square root of 3780305636 is about 61484.1901304718. The cubic root of 3780305636 is about 1557.7902138981.

The spelling of 3780305636 in words is "three billion, seven hundred eighty million, three hundred five thousand, six hundred thirty-six".