2047664 has 10 divisors (see below), whose sum is σ = 3967380. Its totient is φ = 1023824.

The previous prime is 2047651. The next prime is 2047699. The reversal of 2047664 is 4667402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63974 + ... + 64005.

It is an arithmetic number, because the mean of its divisors is an integer number (396738).

2^2047664 is an apocalyptic number.

It is an amenable number.

2047664 is a deficient number, since it is larger than the sum of its proper divisors (1919716).

2047664 is a wasteful number, since it uses less digits than its factorization.

2047664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127987 (or 127981 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 2047664 is about 1430.9661072157. The cubic root of 2047664 is about 126.9851388980.

The spelling of 2047664 in words is "two million, forty-seven thousand, six hundred sixty-four".