1678064 has 10 divisors (see below), whose sum is σ = 3251280. Its totient is φ = 839024.

The previous prime is 1678037. The next prime is 1678067. The reversal of 1678064 is 4608761.

It is a self number, because there is not a number n which added to its sum of digits gives 1678064.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1678067) 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, 52424 + ... + 52455.

It is an arithmetic number, because the mean of its divisors is an integer number (325128).

2^1678064 is an apocalyptic number.

It is an amenable number.

1678064 is a deficient number, since it is larger than the sum of its proper divisors (1573216).

1678064 is a wasteful number, since it uses less digits than its factorization.

1678064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104887 (or 104881 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 1678064 is about 1295.4010961860. The cubic root of 1678064 is about 118.8327570868.

The spelling of 1678064 in words is "one million, six hundred seventy-eight thousand, sixty-four".