1868313 has 8 divisors (see below), whose sum is σ = 2599488. Its totient is φ = 1191344.

The previous prime is 1868309. The next prime is 1868333. The reversal of 1868313 is 3138681.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1868313 - 2² = 1868309 is a prime.

It is a super-4 number, since 4×1868313⁴ (a number of 26 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (1868333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13470 + ... + 13607.

It is an arithmetic number, because the mean of its divisors is an integer number (324936).

2^1868313 is an apocalyptic number.

It is an amenable number.

1868313 is a deficient number, since it is larger than the sum of its proper divisors (731175).

1868313 is a wasteful number, since it uses less digits than its factorization.

1868313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27103.

The product of its digits is 3456, while the sum is 30.

The square root of 1868313 is about 1366.8624656490. The cubic root of 1868313 is about 123.1638374566.

The spelling of 1868313 in words is "one million, eight hundred sixty-eight thousand, three hundred thirteen".