3520889 has 2 divisors, whose sum is σ = 3520890. Its totient is φ = 3520888.

The previous prime is 3520879. The next prime is 3520897. The reversal of 3520889 is 9880253.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3367225 + 153664 = 1835^2 + 392^2 .

It is a cyclic number.

It is not a de Polignac number, because 3520889 - 2⁴ = 3520873 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3520879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1760444 + 1760445.

It is an arithmetic number, because the mean of its divisors is an integer number (1760445).

Almost surely, 2^3520889 is an apocalyptic number.

It is an amenable number.

3520889 is a deficient number, since it is larger than the sum of its proper divisors (1).

3520889 is an equidigital number, since it uses as much as digits as its factorization.

3520889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 3520889 is about 1876.4032082684. The cubic root of 3520889 is about 152.1309035068.

The spelling of 3520889 in words is "three million, five hundred twenty thousand, eight hundred eighty-nine".