1878268 has 36 divisors (see below), whose sum is σ = 3939600. Its totient is φ = 783216.

The previous prime is 1878263. The next prime is 1878277. The reversal of 1878268 is 8628781.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is a self number, because there is not a number n which added to its sum of digits gives 1878268.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1878263) 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, 50746 + ... + 50782.

2^1878268 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1878268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1969800).

1878268 is an abundant number, since it is smaller than the sum of its proper divisors (2061332).

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

1878268 is an equidigital number, since it uses as much as digits as its factorization.

1878268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99 (or 46 counting only the distinct ones).

The product of its digits is 43008, while the sum is 40.

The square root of 1878268 is about 1370.4991791315. The cubic root of 1878268 is about 123.3822028556.

The spelling of 1878268 in words is "one million, eight hundred seventy-eight thousand, two hundred sixty-eight".