3401663 has 2 divisors, whose sum is σ = 3401664. Its totient is φ = 3401662.

The previous prime is 3401659. The next prime is 3401689. The reversal of 3401663 is 3661043.

It is a weak prime.

It is an emirp because it is prime and its reverse (3661043) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3401663 - 2² = 3401659 is a prime.

It is a super-2 number, since 2×3401663² = 23142622331138, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3401603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1700831 + 1700832.

It is an arithmetic number, because the mean of its divisors is an integer number (1700832).

Almost surely, 2^3401663 is an apocalyptic number.

3401663 is a deficient number, since it is larger than the sum of its proper divisors (1).

3401663 is an equidigital number, since it uses as much as digits as its factorization.

3401663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 3401663 is about 1844.3597805201. The cubic root of 3401663 is about 150.3939717433.

The spelling of 3401663 in words is "three million, four hundred one thousand, six hundred sixty-three".