3400663 has 18 divisors (see below), whose sum is σ = 4231688. Its totient is φ = 2676480.

The previous prime is 3400637. The next prime is 3400673. The reversal of 3400663 is 3660043.

It is a de Polignac number, because none of the positive numbers 2^k-3400663 is a prime.

It is a Duffinian number.

3400663 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3400603) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 82923 + ... + 82963.

Almost surely, 2^3400663 is an apocalyptic number.

3400663 is a deficient number, since it is larger than the sum of its proper divisors (831025).

3400663 is an equidigital number, since it uses as much as digits as its factorization.

3400663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123 (or 65 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 3400663 is about 1844.0886638120. The cubic root of 3400663 is about 150.3792330001.

The spelling of 3400663 in words is "three million, four hundred thousand, six hundred sixty-three".