3504491 has 2 divisors, whose sum is σ = 3504492. Its totient is φ = 3504490.

The previous prime is 3504481. The next prime is 3504497. The reversal of 3504491 is 1944053.

It is a strong prime.

It is an emirp because it is prime and its reverse (1944053) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3504491 - 2⁶ = 3504427 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3504491.

It is not a weakly prime, because it can be changed into another prime (3504497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1752245 + 1752246.

It is an arithmetic number, because the mean of its divisors is an integer number (1752246).

Almost surely, 2^3504491 is an apocalyptic number.

3504491 is a deficient number, since it is larger than the sum of its proper divisors (1).

3504491 is an equidigital number, since it uses as much as digits as its factorization.

3504491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 3504491 is about 1872.0285788417. The cubic root of 3504491 is about 151.8943604621.

The spelling of 3504491 in words is "three million, five hundred four thousand, four hundred ninety-one".