1864313 has 4 divisors (see below), whose sum is σ = 2033808. Its totient is φ = 1694820.

The previous prime is 1864307. The next prime is 1864361. The reversal of 1864313 is 3134681.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1864313 - 2⁴ = 1864297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1864363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84731 + ... + 84752.

It is an arithmetic number, because the mean of its divisors is an integer number (508452).

2^1864313 is an apocalyptic number.

It is an amenable number.

1864313 is a deficient number, since it is larger than the sum of its proper divisors (169495).

1864313 is a wasteful number, since it uses less digits than its factorization.

1864313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169494.

The product of its digits is 1728, while the sum is 26.

The square root of 1864313 is about 1365.3984766360. The cubic root of 1864313 is about 123.0758780059.

Adding to 1864313 its reverse (3134681), we get a palindrome (4998994).

The spelling of 1864313 in words is "one million, eight hundred sixty-four thousand, three hundred thirteen".