3802813 has 4 divisors (see below), whose sum is σ = 4346080. Its totient is φ = 3259548.

The previous prime is 3802787. The next prime is 3802837. The reversal of 3802813 is 3182083.

3802813 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

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 a de Polignac number, because none of the positive numbers 2^k-3802813 is a prime.

It is a super-2 number, since 2×3802813² = 28922773425938, which contains 22 as substring.

It is a Duffinian number.

3802813 is strictly pandigital in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3802213) 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, 271623 + ... + 271636.

It is an arithmetic number, because the mean of its divisors is an integer number (1086520).

Almost surely, 2^3802813 is an apocalyptic number.

It is an amenable number.

3802813 is a deficient number, since it is larger than the sum of its proper divisors (543267).

3802813 is an equidigital number, since it uses as much as digits as its factorization.

3802813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543266.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 3802813 is about 1950.0802547588. The cubic root of 3802813 is about 156.0875713669.

Adding to 3802813 its reverse (3182083), we get a palindrome (6984896).

It can be divided in two parts, 3 and 802813, that added together give a square (802816 = 896²).

The spelling of 3802813 in words is "three million, eight hundred two thousand, eight hundred thirteen".