3787664 has 10 divisors (see below), whose sum is σ = 7338630. Its totient is φ = 1893824.

The previous prime is 3787657. The next prime is 3787687. The reversal of 3787664 is 4667873.

3787664 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., 2560000 + 1227664 = 1600^2 + 1108^2 .

It is an unprimeable number.

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, 118349 + ... + 118380.

It is an arithmetic number, because the mean of its divisors is an integer number (733863).

Almost surely, 2^3787664 is an apocalyptic number.

It is an amenable number.

3787664 is a deficient number, since it is larger than the sum of its proper divisors (3550966).

3787664 is a wasteful number, since it uses less digits than its factorization.

3787664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236737 (or 236731 counting only the distinct ones).

The product of its digits is 169344, while the sum is 41.

The square root of 3787664 is about 1946.1921796164. The cubic root of 3787664 is about 155.8800304891.

The spelling of 3787664 in words is "three million, seven hundred eighty-seven thousand, six hundred sixty-four".