3418821 has 16 divisors (see below), whose sum is σ = 5788800. Its totient is φ = 1953504.

The previous prime is 3418799. The next prime is 3418829. The reversal of 3418821 is 1288143.

It is not a de Polignac number, because 3418821 - 2⁷ = 3418693 is a prime.

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

It is a Curzon number.

3418821 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3418829) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8856 + ... + 9233.

It is an arithmetic number, because the mean of its divisors is an integer number (361800).

Almost surely, 2^3418821 is an apocalyptic number.

It is an amenable number.

3418821 is a deficient number, since it is larger than the sum of its proper divisors (2369979).

3418821 is a wasteful number, since it uses less digits than its factorization.

3418821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18105 (or 18099 counting only the distinct ones).

The product of its digits is 1536, while the sum is 27.

The square root of 3418821 is about 1849.0054083209. The cubic root of 3418821 is about 150.6464103562.

The spelling of 3418821 in words is "three million, four hundred eighteen thousand, eight hundred twenty-one".