3378663 has 6 divisors (see below), whose sum is σ = 4880304. Its totient is φ = 2252436.

The previous prime is 3378649. The next prime is 3378667. The reversal of 3378663 is 3668733.

It is not a de Polignac number, because 3378663 - 2⁴ = 3378647 is a prime.

It is a super-2 number, since 2×3378663² = 22830727335138, which contains 22 as substring.

3378663 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3378667) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 187695 + ... + 187712.

It is an arithmetic number, because the mean of its divisors is an integer number (813384).

Almost surely, 2^3378663 is an apocalyptic number.

3378663 is a deficient number, since it is larger than the sum of its proper divisors (1501641).

3378663 is a wasteful number, since it uses less digits than its factorization.

3378663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375413 (or 375410 counting only the distinct ones).

The product of its digits is 54432, while the sum is 36.

The square root of 3378663 is about 1838.1139790557. The cubic root of 3378663 is about 150.0542470460.

The spelling of 3378663 in words is "three million, three hundred seventy-eight thousand, six hundred sixty-three".