3738664 has 8 divisors (see below), whose sum is σ = 7010010. Its totient is φ = 1869328.

The previous prime is 3738661. The next prime is 3738701. The reversal of 3738664 is 4668373.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2125764 + 1612900 = 1458^2 + 1270^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (3738661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 233659 + ... + 233674.

Almost surely, 2^3738664 is an apocalyptic number.

It is an amenable number.

3738664 is a deficient number, since it is larger than the sum of its proper divisors (3271346).

3738664 is a wasteful number, since it uses less digits than its factorization.

3738664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467339 (or 467335 counting only the distinct ones).

The product of its digits is 72576, while the sum is 37.

The square root of 3738664 is about 1933.5625151518. The cubic root of 3738664 is about 155.2049180076.

The spelling of 3738664 in words is "three million, seven hundred thirty-eight thousand, six hundred sixty-four".