1678063 has 4 divisors (see below), whose sum is σ = 1689328. Its totient is φ = 1666800.

The previous prime is 1678037. The next prime is 1678067. The reversal of 1678063 is 3608761.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3608761 = 13 ⋅277597.

It is a cyclic number.

It is not a de Polignac number, because 1678063 - 2⁵ = 1678031 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5406 + ... + 5707.

It is an arithmetic number, because the mean of its divisors is an integer number (422332).

2^1678063 is an apocalyptic number.

1678063 is a deficient number, since it is larger than the sum of its proper divisors (11265).

1678063 is a wasteful number, since it uses less digits than its factorization.

1678063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11264.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 1678063 is about 1295.4007102051. The cubic root of 1678063 is about 118.8327334817.

The spelling of 1678063 in words is "one million, six hundred seventy-eight thousand, sixty-three".