3189813 has 8 divisors (see below), whose sum is σ = 4639776. Its totient is φ = 1933200.

The previous prime is 3189811. The next prime is 3189821.

3189813 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 3189813 - 2¹ = 3189811 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 96661 = 3189813 / (3 + 1 + 8 + 9 + 8 + 1 + 3).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3189811) 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, 48298 + ... + 48363.

It is an arithmetic number, because the mean of its divisors is an integer number (579972).

Almost surely, 2^3189813 is an apocalyptic number.

3189813 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

3189813 is a deficient number, since it is larger than the sum of its proper divisors (1449963).

3189813 is a wasteful number, since it uses less digits than its factorization.

3189813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96675.

The product of its digits is 5184, while the sum is 33.

The square root of 3189813 is about 1786.0047592322. The cubic root of 3189813 is about 147.2047219313.

The spelling of 3189813 in words is "three million, one hundred eighty-nine thousand, eight hundred thirteen".