1878768 has 40 divisors (see below), whose sum is σ = 5394000. Its totient is φ = 626112.

The previous prime is 1878757. The next prime is 1878769. The reversal of 1878768 is 8678781.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1878769) 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 in 7 ways as a sum of consecutive naturals, for example, 1743 + ... + 2606.

It is an arithmetic number, because the mean of its divisors is an integer number (134850).

2^1878768 is an apocalyptic number.

1878768 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1878768 is an abundant number, since it is smaller than the sum of its proper divisors (3515232).

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

1878768 is a wasteful number, since it uses less digits than its factorization.

1878768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4366 (or 4354 counting only the distinct ones).

The product of its digits is 150528, while the sum is 45.

The square root of 1878768 is about 1370.6815822794. The cubic root of 1878768 is about 123.3931501092.

The spelling of 1878768 in words is "one million, eight hundred seventy-eight thousand, seven hundred sixty-eight".