3481691 has 2 divisors, whose sum is σ = 3481692. Its totient is φ = 3481690.

The previous prime is 3481657. The next prime is 3481721. The reversal of 3481691 is 1961843.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3481691 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3481391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1740845 + 1740846.

It is an arithmetic number, because the mean of its divisors is an integer number (1740846).

Almost surely, 2^3481691 is an apocalyptic number.

3481691 is a deficient number, since it is larger than the sum of its proper divisors (1).

3481691 is an equidigital number, since it uses as much as digits as its factorization.

3481691 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 32.

The square root of 3481691 is about 1865.9289911462. The cubic root of 3481691 is about 151.5642384255.

The spelling of 3481691 in words is "three million, four hundred eighty-one thousand, six hundred ninety-one".