3453813 has 32 divisors (see below), whose sum is σ = 5788800. Its totient is φ = 2016000.

The previous prime is 3453811. The next prime is 3453829. The reversal of 3453813 is 3183543.

It is a happy number.

It is not a de Polignac number, because 3453813 - 2¹ = 3453811 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3453811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8413 + ... + 8813.

It is an arithmetic number, because the mean of its divisors is an integer number (180900).

Almost surely, 2^3453813 is an apocalyptic number.

3453813 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

3453813 is a deficient number, since it is larger than the sum of its proper divisors (2334987).

3453813 is a wasteful number, since it uses less digits than its factorization.

3453813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450 (or 444 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 3453813 is about 1858.4437037478. The cubic root of 3453813 is about 151.1586275063.

The spelling of 3453813 in words is "three million, four hundred fifty-three thousand, eight hundred thirteen".