3684788 has 6 divisors (see below), whose sum is σ = 6448386. Its totient is φ = 1842392.

The previous prime is 3684781. The next prime is 3684809. The reversal of 3684788 is 8874863.

It is a happy number.

3684788 is digitally balanced in base 2 and base 5, because in such bases 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., 3489424 + 195364 = 1868^2 + 442^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3684781) 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, 460595 + ... + 460602.

It is an arithmetic number, because the mean of its divisors is an integer number (1074731).

Almost surely, 2^3684788 is an apocalyptic number.

It is an amenable number.

3684788 is a deficient number, since it is larger than the sum of its proper divisors (2763598).

3684788 is a wasteful number, since it uses less digits than its factorization.

3684788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 921201 (or 921199 counting only the distinct ones).

The product of its digits is 258048, while the sum is 44.

The square root of 3684788 is about 1919.5801624314. The cubic root of 3684788 is about 154.4557813430.

The spelling of 3684788 in words is "three million, six hundred eighty-four thousand, seven hundred eighty-eight".