3453816 has 16 divisors (see below), whose sum is σ = 8634600. Its totient is φ = 1151264.

The previous prime is 3453811. The next prime is 3453829. The reversal of 3453816 is 6183543.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71931 + ... + 71978.

Almost surely, 2^3453816 is an apocalyptic number.

It is an amenable number.

3453816 is an abundant number, since it is smaller than the sum of its proper divisors (5180784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3453816 is a wasteful number, since it uses less digits than its factorization.

3453816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143918 (or 143914 counting only the distinct ones).

The product of its digits is 8640, while the sum is 30.

The square root of 3453816 is about 1858.4445108746. Note that the first 3 decimals coincide. The cubic root of 3453816 is about 151.1586712720.

The spelling of 3453816 in words is "three million, four hundred fifty-three thousand, eight hundred sixteen".