3491129 has 2 divisors, whose sum is σ = 3491130. Its totient is φ = 3491128.

The previous prime is 3491123. The next prime is 3491143. The reversal of 3491129 is 9211943.

It is a happy number.

3491129 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3367225 + 123904 = 1835^2 + 352^2 .

It is a cyclic number.

It is not a de Polignac number, because 3491129 - 2⁸ = 3490873 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3491123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1745564 + 1745565.

It is an arithmetic number, because the mean of its divisors is an integer number (1745565).

Almost surely, 2^3491129 is an apocalyptic number.

It is an amenable number.

3491129 is a deficient number, since it is larger than the sum of its proper divisors (1).

3491129 is an equidigital number, since it uses as much as digits as its factorization.

3491129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1944, while the sum is 29.

The square root of 3491129 is about 1868.4563147154. The cubic root of 3491129 is about 151.7010658734.

The spelling of 3491129 in words is "three million, four hundred ninety-one thousand, one hundred twenty-nine".