3460821 has 24 divisors (see below), whose sum is σ = 5783904. Its totient is φ = 1824480.

The previous prime is 3460819. The next prime is 3460867. The reversal of 3460821 is 1280643.

It is a happy number.

It is not a de Polignac number, because 3460821 - 2¹ = 3460819 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3460791 and 3460800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3460421) 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 23 ways as a sum of consecutive naturals, for example, 1006 + ... + 2816.

It is an arithmetic number, because the mean of its divisors is an integer number (240996).

Almost surely, 2^3460821 is an apocalyptic number.

It is an amenable number.

3460821 is a deficient number, since it is larger than the sum of its proper divisors (2323083).

3460821 is a wasteful number, since it uses less digits than its factorization.

3460821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1841 (or 1834 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 3460821 is about 1860.3281968513. The cubic root of 3460821 is about 151.2607951678.

The spelling of 3460821 in words is "three million, four hundred sixty thousand, eight hundred twenty-one".