3487291 has 2 divisors, whose sum is σ = 3487292. Its totient is φ = 3487290.

The previous prime is 3487277. The next prime is 3487301. The reversal of 3487291 is 1927843.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3487291 is a prime.

It is a super-2 number, since 2×3487291² = 24322397037362, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3487201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1743645 + 1743646.

It is an arithmetic number, because the mean of its divisors is an integer number (1743646).

Almost surely, 2^3487291 is an apocalyptic number.

3487291 is a deficient number, since it is larger than the sum of its proper divisors (1).

3487291 is an equidigital number, since it uses as much as digits as its factorization.

3487291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 34.

The square root of 3487291 is about 1867.4289812467. The cubic root of 3487291 is about 151.6454542379.

The spelling of 3487291 in words is "three million, four hundred eighty-seven thousand, two hundred ninety-one".