3402813 has 4 divisors (see below), whose sum is σ = 4537088. Its totient is φ = 2268540.

The previous prime is 3402803. The next prime is 3402821. The reversal of 3402813 is 3182043.

It is a happy number.

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 de Polignac number, because none of the positive numbers 2^k-3402813 is a prime.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3402813.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3402803) 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, 567133 + ... + 567138.

It is an arithmetic number, because the mean of its divisors is an integer number (1134272).

Almost surely, 2^3402813 is an apocalyptic number.

It is an amenable number.

3402813 is a deficient number, since it is larger than the sum of its proper divisors (1134275).

3402813 is a wasteful number, since it uses less digits than its factorization.

3402813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1134274.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 3402813 is about 1844.6715154737. The cubic root of 3402813 is about 150.4109177273.

Adding to 3402813 its reverse (3182043), we get a palindrome (6584856).

The spelling of 3402813 in words is "three million, four hundred two thousand, eight hundred thirteen".