1678896 has 60 divisors (see below), whose sum is σ = 4787640. Its totient is φ = 549120.

The previous prime is 1678891. The next prime is 1678921. The reversal of 1678896 is 6988761.

It is a happy number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1678891) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12751 + ... + 12881.

It is an arithmetic number, because the mean of its divisors is an integer number (79794).

2^1678896 is an apocalyptic number.

1678896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1678896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2393820).

1678896 is an abundant number, since it is smaller than the sum of its proper divisors (3108744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1678896 is a wasteful number, since it uses less digits than its factorization.

1678896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234 (or 225 counting only the distinct ones).

The product of its digits is 145152, while the sum is 45.

The square root of 1678896 is about 1295.7221924471. The cubic root of 1678896 is about 118.8523933101.

The spelling of 1678896 in words is "one million, six hundred seventy-eight thousand, eight hundred ninety-six".