1868308 has 48 divisors (see below), whose sum is σ = 3888640. Its totient is φ = 777600.

The previous prime is 1868291. The next prime is 1868309. The reversal of 1868308 is 8038681.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1868309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30598 + ... + 30658.

2^1868308 is an apocalyptic number.

It is an amenable number.

1868308 is an abundant number, since it is smaller than the sum of its proper divisors (2020332).

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

1868308 is a wasteful number, since it uses less digits than its factorization.

1868308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128 (or 126 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 1868308 is about 1366.8606366415. The cubic root of 1868308 is about 123.1637275857.

The spelling of 1868308 in words is "one million, eight hundred sixty-eight thousand, three hundred eight".