3491429 has 2 divisors, whose sum is σ = 3491430. Its totient is φ = 3491428.

The previous prime is 3491419. The next prime is 3491441. The reversal of 3491429 is 9241943.

It is a happy number.

3491429 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., 3323329 + 168100 = 1823^2 + 410^2 .

It is a cyclic number.

It is not a de Polignac number, because 3491429 - 2⁴ = 3491413 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3491395 and 3491404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3491419) 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, 1745714 + 1745715.

It is an arithmetic number, because the mean of its divisors is an integer number (1745715).

Almost surely, 2^3491429 is an apocalyptic number.

It is an amenable number.

3491429 is a deficient number, since it is larger than the sum of its proper divisors (1).

3491429 is an equidigital number, since it uses as much as digits as its factorization.

3491429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 32.

The square root of 3491429 is about 1868.5365931659. The cubic root of 3491429 is about 151.7054110787.

It can be divided in two parts, 34914 and 29, that added together give a palindrome (34943).

The spelling of 3491429 in words is "three million, four hundred ninety-one thousand, four hundred twenty-nine".