3521867 has 2 divisors, whose sum is σ = 3521868. Its totient is φ = 3521866.

The previous prime is 3521857. The next prime is 3521909. The reversal of 3521867 is 7681253.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3521867 - 2⁶ = 3521803 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3521857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1760933 + 1760934.

It is an arithmetic number, because the mean of its divisors is an integer number (1760934).

Almost surely, 2^3521867 is an apocalyptic number.

3521867 is a deficient number, since it is larger than the sum of its proper divisors (1).

3521867 is an equidigital number, since it uses as much as digits as its factorization.

3521867 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10080, while the sum is 32.

The square root of 3521867 is about 1876.6637951429. The cubic root of 3521867 is about 152.1449880415.

The spelling of 3521867 in words is "three million, five hundred twenty-one thousand, eight hundred sixty-seven".