8340664 has 8 divisors (see below), whose sum is σ = 15638760. Its totient is φ = 4170328.

The previous prime is 8340641. The next prime is 8340679. The reversal of 8340664 is 4660438.

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

It is a congruent number.

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, 521284 + ... + 521299.

It is an arithmetic number, because the mean of its divisors is an integer number (1954845).

Almost surely, 2^8340664 is an apocalyptic number.

It is an amenable number.

8340664 is a deficient number, since it is larger than the sum of its proper divisors (7298096).

8340664 is a wasteful number, since it uses less digits than its factorization.

8340664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1042589 (or 1042585 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 8340664 is about 2888.0207755485. The cubic root of 8340664 is about 202.7994978896.

The spelling of 8340664 in words is "eight million, three hundred forty thousand, six hundred sixty-four".